Security Fix(es) :
- An use-after-free flaw was found in the Linux kernel which enables a race condition in the L2TPv3 IP Encapsulation feature. A local user could use this flaw to escalate their privileges or crash the system.
(CVE-2016-10200, Important)
- A flaw was found that can be triggered in keyring_search_iterator in keyring.c if type->match is NULL. A local user could use this flaw to crash the system or, potentially, escalate their privileges.
(CVE-2017-2647, Important)
- It was found that the NFSv4 server in the Linux kernel did not properly validate layout type when processing NFSv4 pNFS LAYOUTGET and GETDEVICEINFO operands. A remote attacker could use this flaw to soft- lockup the system and thus cause denial of service. (CVE-2017-8797, Important)
This update also fixes multiple Moderate and Low impact security issues :
- CVE-2015-8839, CVE-2015-8970, CVE-2016-9576, CVE-2016-7042, CVE-2016-7097, CVE-2016-8645, CVE-2016-9576, CVE-2016-9588, CVE-2016-9806, CVE-2016-10088, CVE-2016-10147, CVE-2017-2596, CVE-2017-2671, CVE-2017-5970, CVE-2017-6001, CVE-2017-6951, CVE-2017-7187, CVE-2017-7616, CVE-2017-7889, CVE-2017-8890, CVE-2017-9074, CVE-2017-8890, CVE-2017-9075, CVE-2017-8890, CVE-2017-9076, CVE-2017-8890, CVE-2017-9077, CVE-2017-9242, CVE-2014-7970, CVE-2014-7975, CVE-2016-6213, CVE-2016-9604, CVE-2016-9685
{"ibm": [{"lastseen": "2023-02-21T01:49:31", "description": "## Summary\n\nIBM QRadar Network Security has addressed vulnerabilities in Linux kernel.\n\n## Vulnerability Details\n\n**CVEID:** [_CVE-2017-1000251_](<https://vulners.com/cve/CVE-2017-1000251>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the native Bluetooth stack. By processing L2CAP configuration responses, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash. \nCVSS Base Score: 9.8 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/131857_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/131857>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) \n\n**CVEID:** [_CVE-2017-9076_](<https://vulners.com/cve/CVE-2017-9076>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the dccp_v6_request_recv_sock function in net/dccp/ipv6.c. By using specially-crafted system calls, a local attacker could exploit this vulnerability to cause a denial of service condition or other unspecified impact. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/126255_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/126255>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2017-7616_](<https://vulners.com/cve/CVE-2017-7616>)** \nDESCRIPTION:** Linux Kernel could allow a local attacker to obtain sensitive information, caused by incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c. By triggering failure of a certain bitmap operation, an attacker could exploit this vulnerability to obtain sensitive information from uninitialized stack data. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/124563_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/124563>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)\n\n**CVEID:** [_CVE-2017-7187_](<https://vulners.com/cve/CVE-2017-7187>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a stack-based buffer overflow in sg_ioctl function in drivers/scsi/sg.c. By using a large command size in an SG_NEXT_CMD_LEN ioctl call, a local attacker could exploit this vulnerability to cause the system to crash or other unspecified impact. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/123509_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/123509>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2017-6951_](<https://vulners.com/cve/CVE-2017-6951>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a NULL pointer dereference in the keyring_search_aux function in security/keys/keyring.c. By using a request_key system call for the \"dead\" type, a local attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/123423_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/123423>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2017-6001_](<https://vulners.com/cve/CVE-2017-6001>)** \nDESCRIPTION:** Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a race condition in the kernel/events/core.c. By using a specially-crafted application, an attacker could exploit this vulnerability to gain privileges on the system. \nCVSS Base Score: 7 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/122171_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/122171>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)\n\n**CVEID:** [_CVE-2017-5970_](<https://vulners.com/cve/CVE-2017-5970>)** \nDESCRIPTION:** Linux kernel is vulnerable to a denial of service, caused by an error in the ipv4_pktinfo_prepare function in net/ipv4/ip_sockglue.c. By using a specially-crafted application that makes malformed system calls or IPv4 traffic with invalid IP options, a remote attacker could exploit this vulnerability to cause system to crash. \nCVSS Base Score: 7.5 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/122003_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/122003>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2017-2671_](<https://vulners.com/cve/CVE-2017-2671>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the ping_unhash function. By leveraging access to the protocol value of IPPROTO_ICMP in a socket system call, a local attacker could exploit this vulnerability to cause the system to panic. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/127408_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/127408>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2017-2647_](<https://vulners.com/cve/CVE-2017-2647>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a NULL pointer dereference in the keyring_search_iterator function in keyring.c in KEYS subsystem. By using vectors involving a NULL value for a certain match field, a local authenticated attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base Score: 7.8 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/128712_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/128712>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)\n\n**CVEID:** [_CVE-2017-2596_](<https://vulners.com/cve/CVE-2017-2596>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by the improper emulation of the VMXON instruction by the nested_vmx_check_vmptr function. By leveraging the mishandling of page references, an attacker could exploit this vulnerability to cause host OS memory consumption and the system to crash. \nCVSS Base Score: 5.5 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/122080_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/122080>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2016-9806_](<https://vulners.com/cve/CVE-2016-9806>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a race condition in the netlink_dump function in net/netlink/af_netlink.c. By using a specially-crafted application, a local attacker could exploit this vulnerability to cause the application to crash. \nCVSS Base Score: 7.8 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/120228_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/120228>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)\n\n**CVEID:** [_CVE-2016-9685_](<https://vulners.com/cve/CVE-2016-9685>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a memory leak in the fs/xfs/xfs_attr_list.c. By using a specially-crafted XFS filesystem operations, a local attacker could exploit this vulnerability to cause the application to crash. \nCVSS Base Score: 5.5 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/120243_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/120243>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2016-9604_](<https://vulners.com/cve/CVE-2016-9604>)** \nDESCRIPTION:** Linux Kernel could allow a local attacker to bypass security restrictions, caused by an error in the built-in keyrings for security tokens. By adding a new public key of its own devising to the keyring, an attacker could exploit this vulnerability to bypass module signature verification and gain direct access to an internal keyring. \nCVSS Base Score: 4.4 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/125570_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/125570>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N)\n\n**CVEID:** [_CVE-2017-9075_](<https://vulners.com/cve/CVE-2017-9075>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the sctp_v6_create_accept_sk function in net/sctp/ipv6.c. By using specially-crafted system calls, a local attacker could exploit this vulnerability to cause a denial of service condition or other unspecified impact. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/126254_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/126254>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2017-9074_](<https://vulners.com/cve/CVE-2017-9074>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by the failure to consider that the nexthdr field may be associated with an invalid option by the IPv6 fragmentation implementation. By using a specially-crafted socket and send system calls, a local attacker could exploit this vulnerability to cause a denial of service condition or other unspecified impact. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/126253_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/126253>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2017-8890_](<https://vulners.com/cve/CVE-2017-8890>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a double free in inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c. By leveraging use of the accept system call, an attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base Score: 4 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/125914_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/125914>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)\n\n**CVEID:** [_CVE-2017-8797_](<https://vulners.com/cve/CVE-2017-8797>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the NFSv4 Server. By sending a specially crafted NFSv4 pNFS LAYOUTGET command using UDP, a remote attacker on a system within the target mount''s host address mask range could exploit this vulnerability to cause the service to crash. \nCVSS Base Score: 5.9 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/127765_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/127765>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2017-7889_](<https://vulners.com/cve/CVE-2017-7889>)** \nDESCRIPTION:** Linux Kernel could allow a local authenticated attacker to bypass security restrictions, caused by the failure to properly enforce the CONFIG_STRICT_DEVMEM protection mechanism. By using a specially-crafted application, an attacker could exploit this vulnerability to read or write to kernel memory locations in the first megabyte. \nCVSS Base Score: 7.8 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/125799_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/125799>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)\n\n**CVEID:** [_CVE-2016-10200_](<https://vulners.com/cve/CVE-2016-10200>)** \nDESCRIPTION:** Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by a race condition in the l2tp_ip6_bind() function in the L2TPv3 IP Encapsulation feature. By making multiple bind system calls, an attacker could exploit this vulnerability to trigger a use-after-free and gain elevated privileges on the system. \nCVSS Base Score: 7.8 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/122901_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/122901>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)\n\n**CVEID:** [_CVE-2016-10147_](<https://vulners.com/cve/CVE-2016-10147>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a NULL pointer dereference in crypto/mcryptd.c. By using an AF_ALG socket with an incompatible algorithm, a local authenticated attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base Score: 5.5 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/124085_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/124085>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2016-10088_](<https://vulners.com/cve/CVE-2016-10088>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an use-after-free error in the sg implementation. By leveraging access to a /dev/sg device, a local attacker could exploit this vulnerability to cause a denial of service. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/120237_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/120237>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2016-10088_](<https://vulners.com/cve/CVE-2016-10088>)** \nDESCRIPTION:** Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by the failure to properly restrict write operations in situations where the KERNEL_DS option is set by the sg_write() and bsg_write() Functions in block/bsg.c and drivers/scsi/sg.c. By leveraging access to a /dev/sg device, an attacker could exploit this vulnerability to write arbitrary kernel memory and gain root privileges on the system. \nCVSS Base Score: 8.4 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/120225_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/120225>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)\n\n**CVEID:** [_CVE-2015-8970_](<https://vulners.com/cve/CVE-2015-8970>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a NULL pointer dereference in big_key.c, caused by the improper handling of setkey operation. A local attacker could exploit this vulnerability using a specially crafted application to cause the kernel to crash. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/120131_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/120131>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2015-8839_](<https://vulners.com/cve/CVE-2015-8839>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by multiple race conditions in the ext4 filesystem implementation. By writing to a page, an attacker could exploit this vulnerability to corrupt the disk. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/114520_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/114520>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2014-7975_](<https://vulners.com/cve/CVE-2014-7975>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in do_umount function in fs/namespace.c. A local attacker could exploit this vulnerability using a umount call to cause the file system to become inaccessible. \nCVSS Base Score: 4.9 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/96994_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/96994>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C)\n\n**CVEID:** [_CVE-2014-7970_](<https://vulners.com/cve/CVE-2014-7970>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the VFS filesystem pivot_root() function. A local attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base Score: 4.9 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/96921_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/96921>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C)\n\n**CVEID:** [_CVE-2016-9588_](<https://vulners.com/cve/CVE-2016-9588>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by mishandling the exceptions in the arch/x86/kvm/vmx.c. By declining to handle an exception thrown by a L2 guest, a local attacker could exploit this vulnerability to cause the application to crash. \nCVSS Base Score: 5.5 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/120244_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/120244>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2016-9576_](<https://vulners.com/cve/CVE-2016-9576>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a use-after-free error in the blk_rq_map_user_iov function in block/blk-map.c. By accessing /dev/sg* scsi generic devices, a local attacker could exploit this vulnerability to cause the application to crash. \nCVSS Base Score: 7.8 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/120245_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/120245>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)\n\n**CVEID:** [_CVE-2016-8645_](<https://vulners.com/cve/CVE-2016-8645>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by the failure to properly maintain certain BUG state in tcp_collapse() function in net/ipv4/tcp_input.c. By executing specially-crafted system calls, an attacker could exploit this vulnerability to cause a denial of service. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/118962_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/118962>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2016-7097_](<https://vulners.com/cve/CVE-2016-7097>)** \nDESCRIPTION:** Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by the setgid bit being preserved during a setxattr call by the filesystem implementation. By leveraging the existence of a setgid program, an attacker could exploit this vulnerability to gain group privileges. \nCVSS Base Score: 8.4 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/118151_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/118151>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)\n\n**CVEID:** [_CVE-2016-7042_](<https://vulners.com/cve/CVE-2016-7042>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by the use of an incorrect buffer size for certain timeout data by the proc_keys_show function in security/keys/proc.c. By reading the /proc/keys file, an attacker could exploit this vulnerability to cause the kernel to panic. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/118133_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/118133>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2016-6213_](<https://vulners.com/cve/CVE-2016-6213>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the mount table. By overflowing kernel mount table using shared bind mount, a local attacker could exploit this vulnerability to cause a denial of service. \nCVSS Base Score: 4 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/114989_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/114989>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)\n\n## Affected Products and Versions\n\nIBM QRadar Network Security 5.4\n\n## Remediation/Fixes\n\n_Product_\n\n| _VRMF_| _Remediation/First Fix_ \n---|---|--- \nIBM QRadar Network Security| Firmware version 5.4| Install Firmware 5.4.0.4 from the Available Updates page of the Local Management Interface, or by performing a One Time Scheduled Installation from SiteProtector. \nOr \nDownload Firmware 5.4.0.4 from [IBM Security License Key and Download Center](<https://ibmss.flexnetoperations.com/control/isdl/home>) and upload and install via the Available Updates page of the Local Management Interface. \n \n## Workarounds and Mitigations\n\nNone\n\n## ", "cvss3": {"exploitabilityScore": 2.1, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.0, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2018-06-16T22:04:36", "type": "ibm", "title": "Security Bulletin: IBM QRadar Network Security is affected by vulnerabilities in Linux kernel", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.8, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "acInsufInfo": true, "obtainUserPrivilege": false}, "cvelist": ["CVE-2014-7970", "CVE-2014-7975", "CVE-2015-8839", "CVE-2015-8970", "CVE-2016-10088", "CVE-2016-10147", "CVE-2016-10200", "CVE-2016-6213", "CVE-2016-7042", "CVE-2016-7097", "CVE-2016-8645", "CVE-2016-9576", "CVE-2016-9588", "CVE-2016-9604", "CVE-2016-9685", "CVE-2016-9806", "CVE-2017-1000251", "CVE-2017-2596", "CVE-2017-2647", "CVE-2017-2671", "CVE-2017-5970", "CVE-2017-6001", "CVE-2017-6951", "CVE-2017-7187", "CVE-2017-7616", "CVE-2017-7889", "CVE-2017-8797", "CVE-2017-8890", "CVE-2017-9074", "CVE-2017-9075", "CVE-2017-9076"], "modified": "2018-06-16T22:04:36", "id": "091C926DD3372A48BCEFCA3A598C2A54BAEA4FF0AC1ADA170D539846CF9E0B12", "href": "https://www.ibm.com/support/pages/node/301535", "cvss": {"score": 7.8, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C"}}, {"lastseen": "2023-02-21T21:51:38", "description": "## Summary\n\nPowerKVM is affected by vulnerabilities in the Linux kernel . IBM has now addressed these vulnerabilities.\n\n## Vulnerability Details\n\n**CVEID:** [CVE-2017-9242](<https://vulners.com/cve/CVE-2017-9242>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the __ip6_append_data function when checking whether an overwrite of an skb data structure may occur. An attacker could exploit this vulnerability using specially crafted system calls to cause the system to crash. \nCVSS Base Score: 5.5 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/127805> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H) \n\n**CVEID:** [CVE-2017-9077](<https://vulners.com/cve/CVE-2017-9077>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c. By using a specially-crafted system calls, a local attacker could exploit this vulnerability to cause a denial of service condition or other unspecified impact. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/126256> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2017-9076](<https://vulners.com/cve/CVE-2017-9076>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the dccp_v6_request_recv_sock function in net/dccp/ipv6.c. By using specially-crafted system calls, a local attacker could exploit this vulnerability to cause a denial of service condition or other unspecified impact. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/126255> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2017-7616](<https://vulners.com/cve/CVE-2017-7616>)** \nDESCRIPTION:** Linux Kernel could allow a local attacker to obtain sensitive information, caused by incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c. By triggering failure of a certain bitmap operation, an attacker could exploit this vulnerability to obtain sensitive information from uninitialized stack data. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/124563> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)\n\n**CVEID:** [CVE-2017-7187](<https://vulners.com/cve/CVE-2017-7187>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a stack-based buffer overflow in sg_ioctl function in drivers/scsi/sg.c. By using a large command size in an SG_NEXT_CMD_LEN ioctl call, a local attacker could exploit this vulnerability to cause the system to crash or other unspecified impact. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/123509> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2017-6951](<https://vulners.com/cve/CVE-2017-6951>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a NULL pointer dereference in the keyring_search_aux function in security/keys/keyring.c. By using a request_key system call for the \"dead\" type, a local attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/123423> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2017-6001](<https://vulners.com/cve/CVE-2017-6001>)** \nDESCRIPTION:** Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a race condition in the kernel/events/core.c. By using a specially-crafted application, an attacker could exploit this vulnerability to gain privileges on the system. \nCVSS Base Score: 7 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/122171> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)\n\n**CVEID:** [CVE-2017-5970](<https://vulners.com/cve/CVE-2017-5970>)** \nDESCRIPTION:** Linux kernel is vulnerable to a denial of service, caused by an error in the ipv4_pktinfo_prepare function in net/ipv4/ip_sockglue.c. By using a specially-crafted application that makes malformed system calls or IPv4 traffic with invalid IP options, a remote attacker could exploit this vulnerability to cause system to crash. \nCVSS Base Score: 7.5 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/122003> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2017-2671](<https://vulners.com/cve/CVE-2017-2671>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the ping_unhash function. By leveraging access to the protocol value of IPPROTO_ICMP in a socket system call, a local attacker could exploit this vulnerability to cause the system to panic. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/127408> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2017-2596](<https://vulners.com/cve/CVE-2017-2596>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by the improper emulation of the VMXON instruction by the nested_vmx_check_vmptr function. By leveraging the mishandling of page references, an attacker could exploit this vulnerability to cause host OS memory consumption and the system to crash. \nCVSS Base Score: 5.5 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/122080> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2016-9806](<https://vulners.com/cve/CVE-2016-9806>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a race condition in the netlink_dump function in net/netlink/af_netlink.c. By using a specially-crafted application, a local attacker could exploit this vulnerability to cause the application to crash. \nCVSS Base Score: 7.8 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/120228> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)\n\n**CVEID:** [CVE-2016-9685](<https://vulners.com/cve/CVE-2016-9685>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a memory leak in the fs/xfs/xfs_attr_list.c. By using a specially-crafted XFS filesystem operations, a local attacker could exploit this vulnerability to cause the application to crash. \nCVSS Base Score: 5.5 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/120243> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2016-9604](<https://vulners.com/cve/CVE-2016-9604>)** \nDESCRIPTION:** Linux Kernel could allow a local attacker to bypass security restrictions, caused by an error in the built-in keyrings for security tokens. By adding a new public key of its own devising to the keyring, an attacker could exploit this vulnerability to bypass module signature verification and gain direct access to an internal keyring. \nCVSS Base Score: 4.4 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/125570> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N)\n\n**CVEID:** [CVE-2017-9075](<https://vulners.com/cve/CVE-2017-9075>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the sctp_v6_create_accept_sk function in net/sctp/ipv6.c. By using specially-crafted system calls, a local attacker could exploit this vulnerability to cause a denial of service condition or other unspecified impact. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/126254> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2017-9074](<https://vulners.com/cve/CVE-2017-9074>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by the failure to consider that the nexthdr field may be associated with an invalid option by the IPv6 fragmentation implementation. By using a specially-crafted socket and send system calls, a local attacker could exploit this vulnerability to cause a denial of service condition or other unspecified impact. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/126253> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2017-8890](<https://vulners.com/cve/CVE-2017-8890>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a double free in inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c. By leveraging use of the accept system call, an attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base Score: 4 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/125914> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)\n\n**CVEID:** [CVE-2017-8797](<https://vulners.com/cve/CVE-2017-8797>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the NFSv4 Server. By sending a specially crafted NFSv4 pNFS LAYOUTGET command using UDP, a remote attacker on a system within the target mount''s host address mask range could exploit this vulnerability to cause the service to crash. \nCVSS Base Score: 5.9 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/127765> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2016-10200](<https://vulners.com/cve/CVE-2016-10200>)** \nDESCRIPTION:** Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by a race condition in the l2tp_ip6_bind() function in the L2TPv3 IP Encapsulation feature. By making multiple bind system calls, an attacker could exploit this vulnerability to trigger a use-after-free and gain elevated privileges on the system. \nCVSS Base Score: 7.8 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/122901> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)\n\n**CVEID:** [CVE-2016-10147](<https://vulners.com/cve/CVE-2016-10147>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a NULL pointer dereference in crypto/mcryptd.c. By using an AF_ALG socket with an incompatible algorithm, a local authenticated attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base Score: 5.5 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/124085> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2016-10088](<https://vulners.com/cve/CVE-2016-10088>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an use-after-free error in the sg implementation. By leveraging access to a /dev/sg device, a local attacker could exploit this vulnerability to cause a denial of service. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/120237> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2016-10088](<https://vulners.com/cve/CVE-2016-10088>)** \nDESCRIPTION:** Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by the failure to properly restrict write operations in situations where the KERNEL_DS option is set by the sg_write() and bsg_write() Functions in block/bsg.c and drivers/scsi/sg.c. By leveraging access to a /dev/sg device, an attacker could exploit this vulnerability to write arbitrary kernel memory and gain root privileges on the system. \nCVSS Base Score: 8.4 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/120225> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)\n\n**CVEID:** [CVE-2015-8970](<https://vulners.com/cve/CVE-2015-8970>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a NULL pointer dereference in big_key.c, caused by the improper handling of setkey operation. A local attacker could exploit this vulnerability using a specially crafted application to cause the kernel to crash. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/120131> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2015-8839](<https://vulners.com/cve/CVE-2015-8839>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by multiple race conditions in the ext4 filesystem implementation. By writing to a page, an attacker could exploit this vulnerability to corrupt the disk. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/114520> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2014-7975](<https://vulners.com/cve/CVE-2014-7975>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in do_umount function in fs/namespace.c. A local attacker could exploit this vulnerability using a umount call to cause the file system to become inaccessible. \nCVSS Base Score: 4.9 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/96994> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C)\n\n**CVEID:** [CVE-2014-7970](<https://vulners.com/cve/CVE-2014-7970>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the VFS filesystem pivot_root() function. A local attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base Score: 4.9 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/96921> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C)\n\n**CVEID:** [CVE-2016-9588](<https://vulners.com/cve/CVE-2016-9588>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by mishandling the exceptions in the arch/x86/kvm/vmx.c. By declining to handle an exception thrown by a L2 guest, a local attacker could exploit this vulnerability to cause the application to crash. \nCVSS Base Score: 5.5 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/120244> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2016-9576](<https://vulners.com/cve/CVE-2016-9576>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a use-after-free error in the blk_rq_map_user_iov function in block/blk-map.c. By accessing /dev/sg* scsi generic devices, a local attacker could exploit this vulnerability to cause the application to crash. \nCVSS Base Score: 7.8 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/120245> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)\n\n**CVEID:** [CVE-2016-8645](<https://vulners.com/cve/CVE-2016-8645>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by the failure to properly maintain certain BUG state in tcp_collapse() function in net/ipv4/tcp_input.c. By executing specially-crafted system calls, an attacker could exploit this vulnerability to cause a denial of service. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/118962> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2016-7097](<https://vulners.com/cve/CVE-2016-7097>)** \nDESCRIPTION:** Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by the setgid bit being preserved during a setxattr call by the filesystem implementation. By leveraging the existence of a setgid program, an attacker could exploit this vulnerability to gain group privileges. \nCVSS Base Score: 8.4 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/118151> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)\n\n**CVEID:** [CVE-2016-7042](<https://vulners.com/cve/CVE-2016-7042>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by the use of an incorrect buffer size for certain timeout data by the proc_keys_show function in security/keys/proc.c. By reading the /proc/keys file, an attacker could exploit this vulnerability to cause the kernel to panic. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/118133> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2016-6213](<https://vulners.com/cve/CVE-2016-6213>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by an error in the mount table. By overflowing kernel mount table using shared bind mount, a local attacker could exploit this vulnerability to cause a denial of service. \nCVSS Base Score: 4 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/114989> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)\n\n \n \n**CVEID:** [CVE-2017-16532](<https://vulners.com/cve/CVE-2017-16532>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by NULL pointer dereference in the get_endpoints function in drivers/usb/misc/usbtest.c. By using a specially crafted USB device, a local attacker could exploit this vulnerability to cause the system crash. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/134452> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) \n\n**CVEID:** [CVE-2017-15115](<https://vulners.com/cve/CVE-2017-15115>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a use-after-free in the sctp_do_peeloff function in net/sctp/socket.c. By using specially-crafted system calls, a local attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base Score: 4 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/135068> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)\n\n**CVEID:** [CVE-2017-17741](<https://vulners.com/cve/CVE-2017-17741>)** \nDESCRIPTION:** Linux kernel is vulnerable to a denial of service, caused by stack-based out-of-bounds read in the KVM implementation. A local attacker could exploit this vulnerability to cause a denial of service condition. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/136494> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2017-16650](<https://vulners.com/cve/CVE-2017-16650>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a divide-by-zero in the qmi_wwan_bind function in drivers/net/usb/qmi_wwan.c. By using a specially-crafted USB device, a local attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/134645> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2017-16649](<https://vulners.com/cve/CVE-2017-16649>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a divide-by-zero in the usbnet_generic_cdc_bind function in drivers/net/usb/cdc_ether.c. By using a specially-crafted USB device, a local attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/134644> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [CVE-2017-16537](<https://vulners.com/cve/CVE-2017-16537>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by NULL pointer dereference in the imon_probe function in drivers/media/rc/imon.c. By using a specially crafted USB device, a local attacker could exploit this vulnerability to cause the system crash. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/134444> for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n## Affected Products and Versions\n\nPowerKVM v3.1\n\n## Remediation/Fixes\n\nCustomers can update PowerKVM systems by using \"yum update\". \n\nFix images are made available via Fix Central. See [_https://ibm.biz/BdHggw_](<https://ibm.biz/BdHggw>). 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Red Hat would like to thank Igor Redko\n (Virtuozzo) and Andrey Ryabinin (Virtuozzo) for reporting CVE-2017-2647 Igor\n Redko (Virtuozzo) and Vasily Averin (Virtuozzo) for reporting CVE-2015-8970\n Marco Grassi for reporting CVE-2016-8645 and Dmitry Vyukov (Google Inc.) for\n reporting CVE-2017-2596. The CVE-2016-7042 issue was discovered by Ondrej Kozina\n (Red Hat) the CVE-2016-7097 issue was discovered by Andreas Gruenbacher (Red\n Hat) and Jan Kara (SUSE) the CVE-2016-6213 and CVE-2016-9685 issues were\n discovered by Qian Cai (Red Hat) and the CVE-2016-9604 issue was discovered by\n David Howells (Red Hat). 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report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-all-mipsel\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-common\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-loongson-2f\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-octeon\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-r4k-ip22\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-r5k-cobalt\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-r5k-ip32\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-sb1-bcm91250a\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-headers-3.2.0-4-sb1a-bcm91480b\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-4kc-malta\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-586\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-5kc-malta\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-686-pae\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-686-pae-dbg\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-amd64\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-amd64-dbg\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-arm64\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-arm64-dbg\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-armmp\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-armmp-lpae\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-ixp4xx\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-kirkwood\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-loongson-2e\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-loongson-2f\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-loongson-3\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-octeon\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-orion5x\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-powerpc\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-powerpc-smp\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-powerpc64\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-powerpc64le\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-r4k-ip22\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-r5k-ip32\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-s390x\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-s390x-dbg\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-sb1-bcm91250a\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-versatile\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-4kc-malta\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-5kc-malta\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-loongson-2f\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-octeon\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-r4k-ip22\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-r5k-cobalt\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-r5k-ip32\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-sb1-bcm91250a\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-image-3.2.0-4-sb1a-bcm91480b\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-libc-dev\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-manual-3.16\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-source-3.16\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"linux-support-3.16.0-4\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"xen-linux-system-3.16.0-4-amd64\", ver:\"3.16.43-2+deb8u1\", rls_regex:\"DEB8.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\n\nif (report != \"\") {\n security_message(data:report);\n} else if (__pkg_match) {\n exit(99); # Not vulnerable.\n}\n", "cvss": {"score": 10.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}, {"lastseen": "2019-05-29T18:34:27", "description": "Several vulnerabilities have been discovered in the Linux kernel that\nmay lead to a privilege escalation, denial of service or information\nleaks.\n\nCVE-2017-0605\nA buffer overflow flaw was discovered in the trace subsystem.\n\nCVE-2017-7487\nLi Qiang reported a reference counter leak in the ipxitf_ioctl\nfunction which may result into a use-after-free vulnerability,\ntriggerable when a IPX interface is configured.\n\nCVE-2017-7645\nTuomas Haanpaa and Matti Kamunen from Synopsys Ltd discovered that\nthe NFSv2 and NFSv3 server implementations are vulnerable to an\nout-of-bounds memory access issue while processing arbitrarily long\narguments sent by NFSv2/NFSv3 PRC clients, leading to a denial of\nservice.\n\nDescription truncated. Please see the references for more information.", "cvss3": {}, "published": "2017-06-19T00:00:00", "type": "openvas", "title": "Debian Security Advisory DSA 3886-1 (linux - security update)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2017-7895", "CVE-2017-9074", "CVE-2017-7645", "CVE-2017-9242", "CVE-2017-0605", "CVE-2017-9075", "CVE-2017-8924", "CVE-2017-1000364", "CVE-2017-8925", "CVE-2017-7487", "CVE-2017-9076", "CVE-2017-9077", "CVE-2017-8890", "CVE-2017-8064"], "modified": "2019-03-18T00:00:00", "id": "OPENVAS:1361412562310703886", "href": "http://plugins.openvas.org/nasl.php?oid=1361412562310703886", "sourceData": "# OpenVAS Vulnerability Test\n# $Id: deb_3886.nasl 14280 2019-03-18 14:50:45Z cfischer $\n# Auto-generated from advisory DSA 3886-1 using nvtgen 1.0\n# Script version: 1.0\n#\n# Author:\n# Greenbone Networks\n#\n# Copyright:\n# Copyright (c) 2017 Greenbone Networks GmbH http://greenbone.net\n# Text descriptions are largely excerpted from the referenced\n# advisory, and are Copyright (c) the respective author(s)\n#\n# This program is free software; you can redistribute it and/or\n# modify it under the terms of the GNU General Public License\n# as published by the Free Software Foundation; either version 2\n# of the License, or (at your option) any later version.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n#\n\nif(description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.0.703886\");\n script_version(\"$Revision: 14280 $\");\n script_cve_id(\"CVE-2017-0605\", \"CVE-2017-1000364\", \"CVE-2017-7487\", \"CVE-2017-7645\", \"CVE-2017-7895\", \"CVE-2017-8064\", \"CVE-2017-8890\", \"CVE-2017-8924\", \"CVE-2017-8925\", \"CVE-2017-9074\", \"CVE-2017-9075\", \"CVE-2017-9076\", \"CVE-2017-9077\", \"CVE-2017-9242\");\n script_name(\"Debian Security Advisory DSA 3886-1 (linux - security update)\");\n script_tag(name:\"last_modification\", value:\"$Date: 2019-03-18 15:50:45 +0100 (Mon, 18 Mar 2019) $\");\n script_tag(name:\"creation_date\", value:\"2017-06-19 00:00:00 +0200 (Mon, 19 Jun 2017)\");\n script_tag(name:\"cvss_base\", value:\"10.0\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:N/AC:L/Au:N/C:C/I:C/A:C\");\n script_tag(name:\"solution_type\", value:\"VendorFix\");\n script_tag(name:\"qod_type\", value:\"package\");\n\n script_xref(name:\"URL\", value:\"http://www.debian.org/security/2017/dsa-3886.html\");\n\n script_category(ACT_GATHER_INFO);\n\n script_copyright(\"Copyright (c) 2017 Greenbone Networks GmbH http://greenbone.net\");\n script_family(\"Debian Local Security Checks\");\n script_dependencies(\"gather-package-list.nasl\");\n script_mandatory_keys(\"ssh/login/debian_linux\", \"ssh/login/packages\", re:\"ssh/login/release=DEB8\");\n script_tag(name:\"affected\", value:\"linux on Debian Linux\");\n script_tag(name:\"solution\", value:\"For the oldstable distribution (jessie), these problems have been fixed\nin version 3.16.43-2+deb8u1.\n\nFor the stable distribution (stretch), these problems have been fixed in\nversion 4.9.30-2+deb9u1 or earlier versions before the stretch release.\n\nWe recommend that you upgrade your linux packages.\");\n script_tag(name:\"summary\", value:\"Several vulnerabilities have been discovered in the Linux kernel that\nmay lead to a privilege escalation, denial of service or information\nleaks.\n\nCVE-2017-0605\nA buffer overflow flaw was discovered in the trace subsystem.\n\nCVE-2017-7487\nLi Qiang reported a reference counter leak in the ipxitf_ioctl\nfunction which may result into a use-after-free vulnerability,\ntriggerable when a IPX interface is configured.\n\nCVE-2017-7645\nTuomas Haanpaa and Matti Kamunen from Synopsys Ltd discovered that\nthe NFSv2 and NFSv3 server implementations are vulnerable to an\nout-of-bounds memory access issue while processing arbitrarily long\narguments sent by NFSv2/NFSv3 PRC clients, leading to a denial of\nservice.\n\nDescription truncated. Please see the references for more information.\");\n script_tag(name:\"vuldetect\", value:\"This check tests the installed software version using the apt package manager.\");\n\n exit(0);\n}\n\ninclude(\"revisions-lib.inc\");\ninclude(\"pkg-lib-deb.inc\");\n\nres = \"\";\nreport = \"\";\nif((res = isdpkgvuln(pkg:\"linux-compiler-gcc-4.8-arm\", ver:\"3.16.43-2+deb8u1\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-compiler-gcc-4.8-s390\", ver:\"3.16.43-2+deb8u1\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-compiler-gcc-4.8-x86\", ver:\"3.16.43-2+deb8u1\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-doc-3.16\", ver:\"3.16.43-2+deb8u1\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-4kc-malta\", ver:\"3.16.43-2+deb8u1\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-headers-3.16.0-4-586\", 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isdpkgvuln(pkg:\"linux-image-3.16.0-4-ixp4xx\", ver:\"3.16.43-2+deb8u1\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-kirkwood\", ver:\"3.16.43-2+deb8u1\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-loongson-2e\", ver:\"3.16.43-2+deb8u1\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-loongson-2f\", ver:\"3.16.43-2+deb8u1\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-loongson-3\", ver:\"3.16.43-2+deb8u1\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-octeon\", ver:\"3.16.43-2+deb8u1\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-orion5x\", ver:\"3.16.43-2+deb8u1\", rls:\"DEB8\")) != NULL) {\n report += res;\n}\nif((res = isdpkgvuln(pkg:\"linux-image-3.16.0-4-powerpc\", 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racy SOCK_ZAPPED flag check in l2tp_ip{,6}_bind() (Guillaume Nault) [Orabug: 26586050] {CVE-2016-10200}\n- xfs: fix two memory leaks in xfs_attr_list.c error paths (Mateusz Guzik) [Orabug: 26586024] {CVE-2016-9685}\n- KEYS: Disallow keyrings beginning with '.' to be joined as session keyrings (David Howells) [Orabug: 26586002] {CVE-2016-9604}\n- ipv6: fix out of bound writes in __ip6_append_data() (Eric Dumazet) [Orabug: 26578202] {CVE-2017-9242}", "cvss3": {"exploitabilityScore": 1.0, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.0, "privilegesRequired": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2017-08-18T00:00:00", "type": "oraclelinux", "title": "Unbreakable Enterprise kernel security update", 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(Kyle Fortin) [Orabug: 26621191] \n- mm: introduce kv[mz]alloc helpers (Kyle Fortin) [Orabug: 26621191] \n- KEYS: Disallow keyrings beginning with '.' to be joined as session keyrings (David Howells) [Orabug: 26621179] {CVE-2016-9604} {CVE-2016-9604}\n- l2tp: fix racy SOCK_ZAPPED flag check in l2tp_ip{,6}_bind() (Guillaume Nault) [Orabug: 26621176] {CVE-2016-10200}\n- mnt: Add a per mount namespace limit on the number of mounts (Eric W. Biederman) [Orabug: 26621171] {CVE-2016-6213} {CVE-2016-6213}\n- ipv6: fix out of bound writes in __ip6_append_data() (Eric Dumazet) [Orabug: 26621163] {CVE-2017-9242}", "cvss3": {"exploitabilityScore": 1.0, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.0, "privilegesRequired": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2017-08-17T00:00:00", "type": "oraclelinux", "title": "Unbreakable Enterprise kernel security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.4, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 6.9, "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-10200", "CVE-2016-6213", "CVE-2016-9604", "CVE-2017-7533", "CVE-2017-9242"], "modified": "2017-08-17T00:00:00", "id": "ELSA-2017-3605", "href": "http://linux.oracle.com/errata/ELSA-2017-3605.html", "cvss": {"score": 6.9, "vector": "AV:L/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2021-07-30T06:24:52", "description": "kernel-uek\n[4.1.12-61.1.33]\n- Revert 'x86/mm: Expand the exception table logic to allow new handling options' (Brian Maly) [Orabug: 25790387] {CVE-2016-9644}\n- Revert 'fix minor infoleak in get_user_ex()' (Brian Maly) [Orabug: 25790387] {CVE-2016-9644}\n[4.1.12-61.1.32]\n- x86/mm: Expand the exception table logic to allow new handling options (Tony Luck) [Orabug: 25790387] {CVE-2016-9644}\n[4.1.12-61.1.31]\n- rebuild bumping release\n[4.1.12-61.1.30]\n- net: ping: check minimum size on ICMP header length (Kees Cook) [Orabug: 25766898] {CVE-2016-8399} {CVE-2016-8399}\n- sg_write()/bsg_write() is not fit to be called under KERNEL_DS (Al Viro) [Orabug: 25765436] {CVE-2016-10088}\n- scsi: sg: check length passed to SG_NEXT_CMD_LEN (peter chang) [Orabug: 25751984] {CVE-2017-7187}\n[4.1.12-61.1.29]\n- tty: n_hdlc: get rid of racy n_hdlc.tbuf (Alexander Popov) [Orabug: 25696677] {CVE-2017-2636}\n- TTY: n_hdlc, fix lockdep false positive (Jiri Slaby) [Orabug: 25696677] {CVE-2017-2636}\n- If Slot Status indicates changes in both Data Link Layer Status and Presence Detect, prioritize the Link status change. (Jack Vogel) [Orabug: 25353783] \n- PCI: pciehp: Leave power indicator on when enabling already-enabled slot (Ashok Raj) [Orabug: 25353783] \n- firewire: net: guard against rx buffer overflows (Stefan Richter) [Orabug: 25451520] {CVE-2016-8633}\n- usbnet: cleanup after bind() in probe() (Oliver Neukum) [Orabug: 25463898] {CVE-2016-3951}\n- cdc_ncm: do not call usbnet_link_change from cdc_ncm_bind (Bjorn Mork) [Orabug: 25463898] {CVE-2016-3951}\n- cdc_ncm: Add support for moving NDP to end of NCM frame (Enrico Mioso) [Orabug: 25463898] {CVE-2016-3951}\n- x86/mm/32: Enable full randomization on i386 and X86_32 (Hector Marco-Gisbert) [Orabug: 25463918] {CVE-2016-3672}\n- kvm: fix page struct leak in handle_vmon (Paolo Bonzini) [Orabug: 25507133] {CVE-2017-2596}\n- crypto: mcryptd - Check mcryptd algorithm compatibility (tim) [Orabug: 25507153] {CVE-2016-10147}\n- kvm: nVMX: Allow L1 to intercept software exceptions (#BP and #OF) (Jim Mattson) [Orabug: 25507188] {CVE-2016-9588}\n- KVM: x86: drop error recovery in em_jmp_far and em_ret_far (Radim Krcmar) [Orabug: 25507213] {CVE-2016-9756}\n- tcp: take care of truncations done by sk_filter() (Eric Dumazet) [Orabug: 25507226] {CVE-2016-8645}\n- rose: limit sk_filter trim to payload (Willem de Bruijn) [Orabug: 25507226] {CVE-2016-8645}\n- tipc: check minimum bearer MTU (Michal Kubecek) [Orabug: 25507239] {CVE-2016-8632} {CVE-2016-8632}\n- fix minor infoleak in get_user_ex() (Al Viro) [Orabug: 25507269] {CVE-2016-9178}\n- scsi: arcmsr: Simplify user_len checking (Borislav Petkov) [Orabug: 25507319] {CVE-2016-7425}\n- scsi: arcmsr: Buffer overflow in arcmsr_iop_message_xfer() (Dan Carpenter) [Orabug: 25507319] {CVE-2016-7425}\n- tmpfs: clear S_ISGID when setting posix ACLs (Gu Zheng) [Orabug: 25507341] {CVE-2016-7097} {CVE-2016-7097}\n- posix_acl: Clear SGID bit when setting file permissions (Jan Kara) [Orabug: 25507341] {CVE-2016-7097} {CVE-2016-7097}\n- ext2: convert to mbcache2 (Jan Kara) [Orabug: 25512366] {CVE-2015-8952}\n- ext4: convert to mbcache2 (Jan Kara) [Orabug: 25512366] {CVE-2015-8952}\n- mbcache2: reimplement mbcache (Jan Kara) [Orabug: 25512366] {CVE-2015-8952}\n- USB: digi_acceleport: do sanity checking for the number of ports (Oliver Neukum) [Orabug: 25512466] {CVE-2016-3140}\n- net/llc: avoid BUG_ON() in skb_orphan() (Eric Dumazet) [Orabug: 25682419] {CVE-2017-6345}\n- net/mlx4_core: Disallow creation of RAW QPs on a VF (Eli Cohen) [Orabug: 25697847] \n- ipv4: keep skb->dst around in presence of IP options (Eric Dumazet) [Orabug: 25698300] {CVE-2017-5970}\n- perf/core: Fix concurrent sys_perf_event_open() vs. 'move_group' race (Peter Zijlstra) [Orabug: 25698751] {CVE-2017-6001}\n- ip6_gre: fix ip6gre_err() invalid reads (Eric Dumazet) [Orabug: 25699015] {CVE-2017-5897}\n- mpt3sas: Dont spam logs if logging level is 0 (Johannes Thumshirn) [Orabug: 25699035] \n- xen-netfront: cast grant table reference first to type int (Dongli Zhang) \n- xen-netfront: do not cast grant table reference to signed short (Dongli Zhang)", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2017-03-31T00:00:00", "type": "oraclelinux", "title": "Unbreakable Enterprise kernel security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-8952", "CVE-2016-10088", "CVE-2016-10147", "CVE-2016-3140", "CVE-2016-3672", "CVE-2016-3951", "CVE-2016-7097", "CVE-2016-7425", "CVE-2016-8399", "CVE-2016-8632", "CVE-2016-8633", "CVE-2016-8645", "CVE-2016-9178", "CVE-2016-9588", "CVE-2016-9644", "CVE-2016-9756", "CVE-2017-2596", "CVE-2017-2636", "CVE-2017-5897", "CVE-2017-5970", "CVE-2017-6001", "CVE-2017-6345", "CVE-2017-7187"], "modified": "2017-03-31T00:00:00", "id": "ELSA-2017-3533", "href": "http://linux.oracle.com/errata/ELSA-2017-3533.html", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2021-07-30T06:24:39", "description": "kernel-uek\n[3.8.13-118.20.1]\n- tty: Fix race in pty_write() leading to NULL deref (Todd Vierling) [Orabug: 25392692] \n- ocfs2/dlm: ignore cleaning the migration mle that is inuse (xuejiufei) [Orabug: 26479780] \n- KEYS: fix dereferencing NULL payload with nonzero length (Eric Biggers) [Orabug: 26592025] \n- oracleasm: Copy the integrity descriptor (Martin K. Petersen) [Orabug: 26649818] \n- mm: Tighten x86 /dev/mem with zeroing reads (Kees Cook) [Orabug: 26675925] {CVE-2017-7889}\n- xscore: add dma address check (Zhu Yanjun) [Orabug: 27058468] \n- more bio_map_user_iov() leak fixes (Al Viro) [Orabug: 27069042] {CVE-2017-12190}\n- fix unbalanced page refcounting in bio_map_user_iov (Vitaly Mayatskikh) [Orabug: 27069042] {CVE-2017-12190}\n- nvme: Drop nvmeq->q_lock before dma_pool_alloc(), so as to prevent hard lockups (Aruna Ramakrishna) [Orabug: 25409587] \n- nvme: Handle PM1725 HIL reset (Martin K. Petersen) [Orabug: 26277600] \n- char: lp: fix possible integer overflow in lp_setup() (Willy Tarreau) [Orabug: 26403940] {CVE-2017-1000363}\n- ALSA: timer: Fix missing queue indices reset at SNDRV_TIMER_IOCTL_SELECT (Takashi Iwai) [Orabug: 26403956] {CVE-2017-1000380}\n- ALSA: timer: Fix race between read and ioctl (Takashi Iwai) [Orabug: 26403956] {CVE-2017-1000380}\n- ALSA: timer: fix NULL pointer dereference in read()/ioctl() race (Vegard Nossum) [Orabug: 26403956] {CVE-2017-1000380}\n- ALSA: timer: Fix negative queue usage by racy accesses (Takashi Iwai) [Orabug: 26403956] {CVE-2017-1000380}\n- ALSA: timer: Fix race at concurrent reads (Takashi Iwai) [Orabug: 26403956] {CVE-2017-1000380}\n- ALSA: timer: Fix race among timer ioctls (Takashi Iwai) [Orabug: 26403956] {CVE-2017-1000380}\n- ipv6/dccp: do not inherit ipv6_mc_list from parent (WANG Cong) [Orabug: 26404005] {CVE-2017-9077}\n- ocfs2: fix deadlock issue when taking inode lock at vfs entry points (Eric Ren) [Orabug: 26427126] \n- ocfs2/dlmglue: prepare tracking logic to avoid recursive cluster lock (Eric Ren) [Orabug: 26427126] \n- ping: implement proper locking (Eric Dumazet) [Orabug: 26540286] {CVE-2017-2671}\n- aio: mark AIO pseudo-fs noexec (Jann Horn) [Orabug: 26643598] {CVE-2016-10044}\n- vfs: Commit to never having exectuables on proc and sysfs. (Eric W. Biederman) [Orabug: 26643598] {CVE-2016-10044}\n- vfs, writeback: replace FS_CGROUP_WRITEBACK with SB_I_CGROUPWB (Tejun Heo) [Orabug: 26643598] {CVE-2016-10044}\n- x86/acpi: Prevent out of bound access caused by broken ACPI tables (Seunghun Han) [Orabug: 26643645] {CVE-2017-11473}\n- sctp: do not inherit ipv6_{mc|ac|fl}_list from parent (Eric Dumazet) [Orabug: 26650883] {CVE-2017-9075}\n- [media] saa7164: fix double fetch PCIe access condition (Steven Toth) [Orabug: 26675142] {CVE-2017-8831}\n- [media] saa7164: fix sparse warnings (Hans Verkuil) [Orabug: 26675142] {CVE-2017-8831}\n- fs: __generic_file_splice_read retry lookup on AOP_TRUNCATED_PAGE (Abhi Das) [Orabug: 26797306] \n- timerfd: Protect the might cancel mechanism proper (Thomas Gleixner) [Orabug: 26899787] {CVE-2017-10661}\n- scsi: scsi_transport_iscsi: fix the issue that iscsi_if_rx doesn't parse nlmsg properly (Xin Long) [Orabug: 26988627] {CVE-2017-14489}\n- mqueue: fix a use-after-free in sys_mq_notify() (Cong Wang) [Orabug: 26643556] {CVE-2017-11176}\n- ipv6: avoid overflow of offset in ip6_find_1stfragopt (Sabrina Dubroca) [Orabug: 27011273] {CVE-2017-7542}\n- packet: fix tp_reserve race in packet_set_ring (Willem de Bruijn) [Orabug: 27002450] {CVE-2017-1000111}\n- mlx4_core: calculate log_num_mtt based on total system memory (Wei Lin Guay) [Orabug: 26883934] \n- xen/x86: Add interface for querying amount of host memory (Boris Ostrovsky) [Orabug: 26883934] \n- Bluetooth: Properly check L2CAP config option output buffer length (Ben Seri) [Orabug: 26796364] {CVE-2017-1000251}\n- xen: fix bio vec merging (Roger Pau Monne) [Orabug: 26645550] {CVE-2017-12134}\n- fs/exec.c: account for argv/envp pointers (Kees Cook) [Orabug: 26638921] {CVE-2017-1000365} {CVE-2017-1000365}\n- l2tp: fix racy SOCK_ZAPPED flag check in l2tp_ip{,6}_bind() (Guillaume Nault) [Orabug: 26586047] {CVE-2016-10200}\n- xfs: fix two memory leaks in xfs_attr_list.c error paths (Mateusz Guzik) [Orabug: 26586022] {CVE-2016-9685}\n- KEYS: Disallow keyrings beginning with '.' to be joined as session keyrings (David Howells) [Orabug: 26585994] {CVE-2016-9604}\n- ipv6: fix out of bound writes in __ip6_append_data() (Eric Dumazet) [Orabug: 26578198] {CVE-2017-9242}\n- posix_acl: Clear SGID bit when setting file permissions (Jan Kara) [Orabug: 25507344] {CVE-2016-7097} {CVE-2016-7097}\n- nfsd: check for oversized NFSv2/v3 arguments (J. Bruce Fields) [Orabug: 26366022] {CVE-2017-7645}", "cvss3": {"exploitabilityScore": 2.0, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 8.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 6.0}, "published": "2017-12-07T00:00:00", "type": "oraclelinux", "title": "Unbreakable Enterprise kernel security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "COMPLETE", "integrityImpact": "NONE", "baseScore": 7.8, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-10044", "CVE-2016-10200", "CVE-2016-7097", "CVE-2016-9604", "CVE-2016-9685", "CVE-2017-1000111", "CVE-2017-1000251", "CVE-2017-1000363", "CVE-2017-1000365", "CVE-2017-1000380", "CVE-2017-10661", "CVE-2017-11176", "CVE-2017-11473", "CVE-2017-12134", "CVE-2017-12190", "CVE-2017-14489", "CVE-2017-2671", "CVE-2017-7542", "CVE-2017-7645", "CVE-2017-7889", "CVE-2017-8831", "CVE-2017-9075", "CVE-2017-9077", "CVE-2017-9242"], "modified": "2017-12-07T00:00:00", "id": "ELSA-2017-3657", "href": "http://linux.oracle.com/errata/ELSA-2017-3657.html", "cvss": {"score": 7.8, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:C"}}], "nessus": [{"lastseen": "2023-09-10T16:43:41", "description": "The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2017-18421 advisory.\n\n - The do_umount function in fs/namespace.c in the Linux kernel through 3.17 does not require the CAP_SYS_ADMIN capability for do_remount_sb calls that change the root filesystem to read-only, which allows local users to cause a denial of service (loss of writability) by making certain unshare system calls, clearing the / MNT_LOCKED flag, and making an MNT_FORCE umount system call. (CVE-2014-7975)\n\n - The proc_keys_show function in security/keys/proc.c in the Linux kernel through 4.8.2, when the GNU Compiler Collection (gcc) stack protector is enabled, uses an incorrect buffer size for certain timeout data, which allows local users to cause a denial of service (stack memory corruption and panic) by reading the /proc/keys file. (CVE-2016-7042)\n\n - Race condition in the netlink_dump function in net/netlink/af_netlink.c in the Linux kernel before 4.6.3 allows local users to cause a denial of service (double free) or possibly have unspecified other impact via a crafted application that makes sendmsg system calls, leading to a free operation associated with a new dump that started earlier than anticipated. (CVE-2016-9806)\n\n - The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 4.8.14 does not properly restrict the type of iterator, which allows local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device.\n (CVE-2016-9576)\n\n - The sg implementation in the Linux kernel through 4.9 does not properly restrict write operations in situations where the KERNEL_DS option is set, which allows local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device, related to block/bsg.c and drivers/scsi/sg.c. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9576. (CVE-2016-10088)\n\n - The filesystem implementation in the Linux kernel through 4.8.2 preserves the setgid bit during a setxattr call, which allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions. (CVE-2016-7097)\n\n - The sg_ioctl function in drivers/scsi/sg.c in the Linux kernel through 4.10.4 allows local users to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a large command size in an SG_NEXT_CMD_LEN ioctl call, leading to out-of-bounds write access in the sg_write function. (CVE-2017-7187)\n\n - crypto/mcryptd.c in the Linux kernel before 4.8.15 allows local users to cause a denial of service (NULL pointer dereference and system crash) by using an AF_ALG socket with an incompatible algorithm, as demonstrated by mcryptd(md5). (CVE-2016-10147)\n\n - arch/x86/kvm/vmx.c in the Linux kernel through 4.9 mismanages the #BP and #OF exceptions, which allows guest OS users to cause a denial of service (guest OS crash) by declining to handle an exception thrown by an L2 guest. (CVE-2016-9588)\n\n - The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references. (CVE-2017-2596)\n\n - The TCP stack in the Linux kernel before 4.8.10 mishandles skb truncation, which allows local users to cause a denial of service (system crash) via a crafted application that makes sendto system calls, related to net/ipv4/tcp_ipv4.c and net/ipv6/tcp_ipv6.c. (CVE-2016-8645)\n\n - The ipv4_pktinfo_prepare function in net/ipv4/ip_sockglue.c in the Linux kernel through 4.9.9 allows attackers to cause a denial of service (system crash) via (1) an application that makes crafted system calls or possibly (2) IPv4 traffic with invalid IP options. (CVE-2017-5970)\n\n - Race condition in kernel/events/core.c in the Linux kernel before 4.9.7 allows local users to gain privileges via a crafted application that makes concurrent perf_event_open system calls for moving a software group into a hardware context. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6786. (CVE-2017-6001)\n\n - The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c. (CVE-2017-2647)\n\n - The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15 allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging use of the accept system call. (CVE-2017-8890)\n\n - The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890. (CVE-2017-9077)\n\n - The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly interact with certain locations of a chroot directory, which allows local users to cause a denial of service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call.\n (CVE-2014-7970)\n\n - crypto/algif_skcipher.c in the Linux kernel before 4.4.2 does not verify that a setkey operation has been performed on an AF_ALG socket before an accept system call is processed, which allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted application that does not supply a key, related to the lrw_crypt function in crypto/lrw.c. (CVE-2015-8970)\n\n - Race condition in the L2TPv3 IP Encapsulation feature in the Linux kernel before 4.8.14 allows local users to gain privileges or cause a denial of service (use-after-free) by making multiple bind system calls without properly ascertaining whether a socket has the SOCK_ZAPPED status, related to net/l2tp/l2tp_ip.c and net/l2tp/l2tp_ip6.c. (CVE-2016-10200)\n\n - fs/namespace.c in the Linux kernel before 4.9 does not restrict how many mounts may exist in a mount namespace, which allows local users to cause a denial of service (memory consumption and deadlock) via MS_BIND mount system calls, as demonstrated by a loop that triggers exponential growth in the number of mounts. (CVE-2016-6213)\n\n - It was discovered in the Linux kernel before 4.11-rc8 that root can gain direct access to an internal keyring, such as '.dns_resolver' in RHEL-7 or '.builtin_trusted_keys' upstream, by joining it as its session keyring. This allows root to bypass module signature verification by adding a new public key of its own devising to the keyring. (CVE-2016-9604)\n\n - The ping_unhash function in net/ipv4/ping.c in the Linux kernel through 4.10.8 is too late in obtaining a certain lock and consequently cannot ensure that disconnect function calls are safe, which allows local users to cause a denial of service (panic) by leveraging access to the protocol value of IPPROTO_ICMP in a socket system call. (CVE-2017-2671)\n\n - The keyring_search_aux function in security/keys/keyring.c in the Linux kernel through 3.14.79 allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a request_key system call for the dead type. (CVE-2017-6951)\n\n - Incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c in the Linux kernel through 4.10.9 allows local users to obtain sensitive information from uninitialized stack data by triggering failure of a certain bitmap operation. (CVE-2017-7616)\n\n - The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c. (CVE-2017-7889)\n\n - The IPv6 fragmentation implementation in the Linux kernel through 4.11.1 does not consider that the nexthdr field may be associated with an invalid option, which allows local users to cause a denial of service (out-of-bounds read and BUG) or possibly have unspecified other impact via crafted socket and send system calls. (CVE-2017-9074)\n\n - The dccp_v6_request_recv_sock function in net/dccp/ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890. (CVE-2017-9076)\n\n - The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to cause a denial of service (system crash) via crafted system calls. (CVE-2017-9242)\n\n - Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling. (CVE-2015-8839)\n\n - Multiple memory leaks in error paths in fs/xfs/xfs_attr_list.c in the Linux kernel before 4.5.1 allow local users to cause a denial of service (memory consumption) via crafted XFS filesystem operations.\n (CVE-2016-9685)\n\n - The NFSv4 server in the Linux kernel before 4.11.3 does not properly validate the layout type when processing the NFSv4 pNFS GETDEVICEINFO or LAYOUTGET operand in a UDP packet from a remote attacker. This type value is uninitialized upon encountering certain error conditions. This value is used as an array index for dereferencing, which leads to an OOPS and eventually a DoS of knfsd and a soft-lockup of the whole system. (CVE-2017-8797)\n\n - The sctp_v6_create_accept_sk function in net/sctp/ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890. (CVE-2017-9075)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2023-09-07T00:00:00", "type": "nessus", "title": "Oracle Linux 7 : ELSA-2017-1842-1: / kernel (ELSA-2017-18421)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2014-7970", "CVE-2014-7975", "CVE-2015-8839", "CVE-2015-8970", "CVE-2016-10088", "CVE-2016-10147", "CVE-2016-10200", "CVE-2016-6213", "CVE-2016-6786", "CVE-2016-7042", "CVE-2016-7097", "CVE-2016-8645", "CVE-2016-9576", "CVE-2016-9588", "CVE-2016-9604", "CVE-2016-9685", "CVE-2016-9806", "CVE-2017-2596", "CVE-2017-2647", "CVE-2017-2671", "CVE-2017-5970", "CVE-2017-6001", "CVE-2017-6951", "CVE-2017-7187", "CVE-2017-7616", "CVE-2017-7889", "CVE-2017-8797", "CVE-2017-8890", "CVE-2017-9074", "CVE-2017-9075", "CVE-2017-9076", "CVE-2017-9077", "CVE-2017-9242"], "modified": "2023-09-07T00:00:00", "cpe": ["cpe:/o:oracle:linux:7", "p-cpe:/a:oracle:linux:kernel", "p-cpe:/a:oracle:linux:kernel-abi-whitelists", "p-cpe:/a:oracle:linux:kernel-debug", "p-cpe:/a:oracle:linux:kernel-debug-devel", "p-cpe:/a:oracle:linux:kernel-devel", "p-cpe:/a:oracle:linux:kernel-headers", "p-cpe:/a:oracle:linux:kernel-tools", "p-cpe:/a:oracle:linux:kernel-tools-libs", "p-cpe:/a:oracle:linux:kernel-tools-libs-devel", "p-cpe:/a:oracle:linux:perf", "p-cpe:/a:oracle:linux:python-perf"], "id": "ORACLELINUX_ELSA-2017-18421.NASL", "href": "https://www.tenable.com/plugins/nessus/180805", "sourceData": "#%NASL_MIN_LEVEL 80900\n##\n# (C) Tenable, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from Oracle Linux Security Advisory ELSA-2017-18421.\n##\n\ninclude('compat.inc');\n\nif (description)\n{\n script_id(180805);\n script_version(\"1.0\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2023/09/07\");\n\n script_cve_id(\n \"CVE-2014-7970\",\n \"CVE-2014-7975\",\n \"CVE-2015-8839\",\n \"CVE-2015-8970\",\n \"CVE-2016-6213\",\n \"CVE-2016-7042\",\n \"CVE-2016-7097\",\n \"CVE-2016-8645\",\n \"CVE-2016-9576\",\n \"CVE-2016-9588\",\n \"CVE-2016-9604\",\n \"CVE-2016-9685\",\n \"CVE-2016-9806\",\n \"CVE-2016-10088\",\n \"CVE-2016-10147\",\n \"CVE-2016-10200\",\n \"CVE-2017-2596\",\n \"CVE-2017-2647\",\n \"CVE-2017-2671\",\n \"CVE-2017-5970\",\n \"CVE-2017-6001\",\n \"CVE-2017-6951\",\n \"CVE-2017-7187\",\n \"CVE-2017-7616\",\n \"CVE-2017-7889\",\n \"CVE-2017-8797\",\n \"CVE-2017-8890\",\n \"CVE-2017-9074\",\n \"CVE-2017-9075\",\n \"CVE-2017-9076\",\n \"CVE-2017-9077\",\n \"CVE-2017-9242\"\n );\n\n script_name(english:\"Oracle Linux 7 : ELSA-2017-1842-1: / kernel (ELSA-2017-18421)\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote Oracle Linux host is missing one or more security updates.\");\n script_set_attribute(attribute:\"description\", value:\n\"The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the\nELSA-2017-18421 advisory.\n\n - The do_umount function in fs/namespace.c in the Linux kernel through 3.17 does not require the\n CAP_SYS_ADMIN capability for do_remount_sb calls that change the root filesystem to read-only, which\n allows local users to cause a denial of service (loss of writability) by making certain unshare system\n calls, clearing the / MNT_LOCKED flag, and making an MNT_FORCE umount system call. (CVE-2014-7975)\n\n - The proc_keys_show function in security/keys/proc.c in the Linux kernel through 4.8.2, when the GNU\n Compiler Collection (gcc) stack protector is enabled, uses an incorrect buffer size for certain timeout\n data, which allows local users to cause a denial of service (stack memory corruption and panic) by reading\n the /proc/keys file. (CVE-2016-7042)\n\n - Race condition in the netlink_dump function in net/netlink/af_netlink.c in the Linux kernel before 4.6.3\n allows local users to cause a denial of service (double free) or possibly have unspecified other impact\n via a crafted application that makes sendmsg system calls, leading to a free operation associated with a\n new dump that started earlier than anticipated. (CVE-2016-9806)\n\n - The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 4.8.14 does not properly\n restrict the type of iterator, which allows local users to read or write to arbitrary kernel memory\n locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device.\n (CVE-2016-9576)\n\n - The sg implementation in the Linux kernel through 4.9 does not properly restrict write operations in\n situations where the KERNEL_DS option is set, which allows local users to read or write to arbitrary\n kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg\n device, related to block/bsg.c and drivers/scsi/sg.c. NOTE: this vulnerability exists because of an\n incomplete fix for CVE-2016-9576. (CVE-2016-10088)\n\n - The filesystem implementation in the Linux kernel through 4.8.2 preserves the setgid bit during a setxattr\n call, which allows local users to gain group privileges by leveraging the existence of a setgid program\n with restrictions on execute permissions. (CVE-2016-7097)\n\n - The sg_ioctl function in drivers/scsi/sg.c in the Linux kernel through 4.10.4 allows local users to cause\n a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a large\n command size in an SG_NEXT_CMD_LEN ioctl call, leading to out-of-bounds write access in the sg_write\n function. (CVE-2017-7187)\n\n - crypto/mcryptd.c in the Linux kernel before 4.8.15 allows local users to cause a denial of service (NULL\n pointer dereference and system crash) by using an AF_ALG socket with an incompatible algorithm, as\n demonstrated by mcryptd(md5). (CVE-2016-10147)\n\n - arch/x86/kvm/vmx.c in the Linux kernel through 4.9 mismanages the #BP and #OF exceptions, which allows\n guest OS users to cause a denial of service (guest OS crash) by declining to handle an exception thrown by\n an L2 guest. (CVE-2016-9588)\n\n - The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly\n emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS\n memory consumption) by leveraging the mishandling of page references. (CVE-2017-2596)\n\n - The TCP stack in the Linux kernel before 4.8.10 mishandles skb truncation, which allows local users to\n cause a denial of service (system crash) via a crafted application that makes sendto system calls, related\n to net/ipv4/tcp_ipv4.c and net/ipv6/tcp_ipv6.c. (CVE-2016-8645)\n\n - The ipv4_pktinfo_prepare function in net/ipv4/ip_sockglue.c in the Linux kernel through 4.9.9 allows\n attackers to cause a denial of service (system crash) via (1) an application that makes crafted system\n calls or possibly (2) IPv4 traffic with invalid IP options. (CVE-2017-5970)\n\n - Race condition in kernel/events/core.c in the Linux kernel before 4.9.7 allows local users to gain\n privileges via a crafted application that makes concurrent perf_event_open system calls for moving a\n software group into a hardware context. NOTE: this vulnerability exists because of an incomplete fix for\n CVE-2016-6786. (CVE-2017-6001)\n\n - The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial\n of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain\n match field, related to the keyring_search_iterator function in keyring.c. (CVE-2017-2647)\n\n - The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15\n allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by\n leveraging use of the accept system call. (CVE-2017-8890)\n\n - The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles\n inheritance, which allows local users to cause a denial of service or possibly have unspecified other\n impact via crafted system calls, a related issue to CVE-2017-8890. (CVE-2017-9077)\n\n - The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly\n interact with certain locations of a chroot directory, which allows local users to cause a denial of\n service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call.\n (CVE-2014-7970)\n\n - crypto/algif_skcipher.c in the Linux kernel before 4.4.2 does not verify that a setkey operation has been\n performed on an AF_ALG socket before an accept system call is processed, which allows local users to cause\n a denial of service (NULL pointer dereference and system crash) via a crafted application that does not\n supply a key, related to the lrw_crypt function in crypto/lrw.c. (CVE-2015-8970)\n\n - Race condition in the L2TPv3 IP Encapsulation feature in the Linux kernel before 4.8.14 allows local users\n to gain privileges or cause a denial of service (use-after-free) by making multiple bind system calls\n without properly ascertaining whether a socket has the SOCK_ZAPPED status, related to net/l2tp/l2tp_ip.c\n and net/l2tp/l2tp_ip6.c. (CVE-2016-10200)\n\n - fs/namespace.c in the Linux kernel before 4.9 does not restrict how many mounts may exist in a mount\n namespace, which allows local users to cause a denial of service (memory consumption and deadlock) via\n MS_BIND mount system calls, as demonstrated by a loop that triggers exponential growth in the number of\n mounts. (CVE-2016-6213)\n\n - It was discovered in the Linux kernel before 4.11-rc8 that root can gain direct access to an internal\n keyring, such as '.dns_resolver' in RHEL-7 or '.builtin_trusted_keys' upstream, by joining it as its\n session keyring. This allows root to bypass module signature verification by adding a new public key of\n its own devising to the keyring. (CVE-2016-9604)\n\n - The ping_unhash function in net/ipv4/ping.c in the Linux kernel through 4.10.8 is too late in obtaining a\n certain lock and consequently cannot ensure that disconnect function calls are safe, which allows local\n users to cause a denial of service (panic) by leveraging access to the protocol value of IPPROTO_ICMP in a\n socket system call. (CVE-2017-2671)\n\n - The keyring_search_aux function in security/keys/keyring.c in the Linux kernel through 3.14.79 allows\n local users to cause a denial of service (NULL pointer dereference and OOPS) via a request_key system call\n for the dead type. (CVE-2017-6951)\n\n - Incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c in the Linux\n kernel through 4.10.9 allows local users to obtain sensitive information from uninitialized stack data by\n triggering failure of a certain bitmap operation. (CVE-2017-7616)\n\n - The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM\n protection mechanism, which allows local users to read or write to kernel memory locations in the first\n megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file,\n related to arch/x86/mm/init.c and drivers/char/mem.c. (CVE-2017-7889)\n\n - The IPv6 fragmentation implementation in the Linux kernel through 4.11.1 does not consider that the\n nexthdr field may be associated with an invalid option, which allows local users to cause a denial of\n service (out-of-bounds read and BUG) or possibly have unspecified other impact via crafted socket and send\n system calls. 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(CVE-2014-7975)\n\n - The proc_keys_show function in security/keys/proc.c in the Linux kernel through 4.8.2, when the GNU Compiler Collection (gcc) stack protector is enabled, uses an incorrect buffer size for certain timeout data, which allows local users to cause a denial of service (stack memory corruption and panic) by reading the /proc/keys file. (CVE-2016-7042)\n\n - Race condition in the netlink_dump function in net/netlink/af_netlink.c in the Linux kernel before 4.6.3 allows local users to cause a denial of service (double free) or possibly have unspecified other impact via a crafted application that makes sendmsg system calls, leading to a free operation associated with a new dump that started earlier than anticipated. (CVE-2016-9806)\n\n - The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 4.8.14 does not properly restrict the type of iterator, which allows local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device.\n (CVE-2016-9576)\n\n - The sg implementation in the Linux kernel through 4.9 does not properly restrict write operations in situations where the KERNEL_DS option is set, which allows local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device, related to block/bsg.c and drivers/scsi/sg.c. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9576. (CVE-2016-10088)\n\n - The filesystem implementation in the Linux kernel through 4.8.2 preserves the setgid bit during a setxattr call, which allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions. (CVE-2016-7097)\n\n - The sg_ioctl function in drivers/scsi/sg.c in the Linux kernel through 4.10.4 allows local users to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a large command size in an SG_NEXT_CMD_LEN ioctl call, leading to out-of-bounds write access in the sg_write function. (CVE-2017-7187)\n\n - crypto/mcryptd.c in the Linux kernel before 4.8.15 allows local users to cause a denial of service (NULL pointer dereference and system crash) by using an AF_ALG socket with an incompatible algorithm, as demonstrated by mcryptd(md5). (CVE-2016-10147)\n\n - arch/x86/kvm/vmx.c in the Linux kernel through 4.9 mismanages the #BP and #OF exceptions, which allows guest OS users to cause a denial of service (guest OS crash) by declining to handle an exception thrown by an L2 guest. (CVE-2016-9588)\n\n - The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references. (CVE-2017-2596)\n\n - The TCP stack in the Linux kernel before 4.8.10 mishandles skb truncation, which allows local users to cause a denial of service (system crash) via a crafted application that makes sendto system calls, related to net/ipv4/tcp_ipv4.c and net/ipv6/tcp_ipv6.c. (CVE-2016-8645)\n\n - The ipv4_pktinfo_prepare function in net/ipv4/ip_sockglue.c in the Linux kernel through 4.9.9 allows attackers to cause a denial of service (system crash) via (1) an application that makes crafted system calls or possibly (2) IPv4 traffic with invalid IP options. (CVE-2017-5970)\n\n - Race condition in kernel/events/core.c in the Linux kernel before 4.9.7 allows local users to gain privileges via a crafted application that makes concurrent perf_event_open system calls for moving a software group into a hardware context. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6786. (CVE-2017-6001)\n\n - The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c. (CVE-2017-2647)\n\n - The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15 allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging use of the accept system call. (CVE-2017-8890)\n\n - The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890. (CVE-2017-9077)\n\n - The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly interact with certain locations of a chroot directory, which allows local users to cause a denial of service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call.\n (CVE-2014-7970)\n\n - crypto/algif_skcipher.c in the Linux kernel before 4.4.2 does not verify that a setkey operation has been performed on an AF_ALG socket before an accept system call is processed, which allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted application that does not supply a key, related to the lrw_crypt function in crypto/lrw.c. (CVE-2015-8970)\n\n - Race condition in the L2TPv3 IP Encapsulation feature in the Linux kernel before 4.8.14 allows local users to gain privileges or cause a denial of service (use-after-free) by making multiple bind system calls without properly ascertaining whether a socket has the SOCK_ZAPPED status, related to net/l2tp/l2tp_ip.c and net/l2tp/l2tp_ip6.c. (CVE-2016-10200)\n\n - fs/namespace.c in the Linux kernel before 4.9 does not restrict how many mounts may exist in a mount namespace, which allows local users to cause a denial of service (memory consumption and deadlock) via MS_BIND mount system calls, as demonstrated by a loop that triggers exponential growth in the number of mounts. (CVE-2016-6213)\n\n - It was discovered in the Linux kernel before 4.11-rc8 that root can gain direct access to an internal keyring, such as '.dns_resolver' in RHEL-7 or '.builtin_trusted_keys' upstream, by joining it as its session keyring. This allows root to bypass module signature verification by adding a new public key of its own devising to the keyring. (CVE-2016-9604)\n\n - The ping_unhash function in net/ipv4/ping.c in the Linux kernel through 4.10.8 is too late in obtaining a certain lock and consequently cannot ensure that disconnect function calls are safe, which allows local users to cause a denial of service (panic) by leveraging access to the protocol value of IPPROTO_ICMP in a socket system call. (CVE-2017-2671)\n\n - The keyring_search_aux function in security/keys/keyring.c in the Linux kernel through 3.14.79 allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a request_key system call for the dead type. (CVE-2017-6951)\n\n - Incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c in the Linux kernel through 4.10.9 allows local users to obtain sensitive information from uninitialized stack data by triggering failure of a certain bitmap operation. (CVE-2017-7616)\n\n - The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c. (CVE-2017-7889)\n\n - The IPv6 fragmentation implementation in the Linux kernel through 4.11.1 does not consider that the nexthdr field may be associated with an invalid option, which allows local users to cause a denial of service (out-of-bounds read and BUG) or possibly have unspecified other impact via crafted socket and send system calls. (CVE-2017-9074)\n\n - The dccp_v6_request_recv_sock function in net/dccp/ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890. (CVE-2017-9076)\n\n - The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to cause a denial of service (system crash) via crafted system calls. (CVE-2017-9242)\n\n - Multiple race conditions in the ext4 filesystem implementation in the Linux kernel before 4.5 allow local users to cause a denial of service (disk corruption) by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling. (CVE-2015-8839)\n\n - Multiple memory leaks in error paths in fs/xfs/xfs_attr_list.c in the Linux kernel before 4.5.1 allow local users to cause a denial of service (memory consumption) via crafted XFS filesystem operations.\n (CVE-2016-9685)\n\n - The NFSv4 server in the Linux kernel before 4.11.3 does not properly validate the layout type when processing the NFSv4 pNFS GETDEVICEINFO or LAYOUTGET operand in a UDP packet from a remote attacker. This type value is uninitialized upon encountering certain error conditions. This value is used as an array index for dereferencing, which leads to an OOPS and eventually a DoS of knfsd and a soft-lockup of the whole system. (CVE-2017-8797)\n\n - The sctp_v6_create_accept_sk function in net/sctp/ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890. 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(CVE-2014-7975)\n\n - The proc_keys_show function in security/keys/proc.c in the Linux kernel through 4.8.2, when the GNU\n Compiler Collection (gcc) stack protector is enabled, uses an incorrect buffer size for certain timeout\n data, which allows local users to cause a denial of service (stack memory corruption and panic) by reading\n the /proc/keys file. (CVE-2016-7042)\n\n - Race condition in the netlink_dump function in net/netlink/af_netlink.c in the Linux kernel before 4.6.3\n allows local users to cause a denial of service (double free) or possibly have unspecified other impact\n via a crafted application that makes sendmsg system calls, leading to a free operation associated with a\n new dump that started earlier than anticipated. (CVE-2016-9806)\n\n - The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 4.8.14 does not properly\n restrict the type of iterator, which allows local users to read or write to arbitrary kernel memory\n locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device.\n (CVE-2016-9576)\n\n - The sg implementation in the Linux kernel through 4.9 does not properly restrict write operations in\n situations where the KERNEL_DS option is set, which allows local users to read or write to arbitrary\n kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg\n device, related to block/bsg.c and drivers/scsi/sg.c. NOTE: this vulnerability exists because of an\n incomplete fix for CVE-2016-9576. (CVE-2016-10088)\n\n - The filesystem implementation in the Linux kernel through 4.8.2 preserves the setgid bit during a setxattr\n call, which allows local users to gain group privileges by leveraging the existence of a setgid program\n with restrictions on execute permissions. (CVE-2016-7097)\n\n - The sg_ioctl function in drivers/scsi/sg.c in the Linux kernel through 4.10.4 allows local users to cause\n a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a large\n command size in an SG_NEXT_CMD_LEN ioctl call, leading to out-of-bounds write access in the sg_write\n function. (CVE-2017-7187)\n\n - crypto/mcryptd.c in the Linux kernel before 4.8.15 allows local users to cause a denial of service (NULL\n pointer dereference and system crash) by using an AF_ALG socket with an incompatible algorithm, as\n demonstrated by mcryptd(md5). (CVE-2016-10147)\n\n - arch/x86/kvm/vmx.c in the Linux kernel through 4.9 mismanages the #BP and #OF exceptions, which allows\n guest OS users to cause a denial of service (guest OS crash) by declining to handle an exception thrown by\n an L2 guest. (CVE-2016-9588)\n\n - The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly\n emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS\n memory consumption) by leveraging the mishandling of page references. (CVE-2017-2596)\n\n - The TCP stack in the Linux kernel before 4.8.10 mishandles skb truncation, which allows local users to\n cause a denial of service (system crash) via a crafted application that makes sendto system calls, related\n to net/ipv4/tcp_ipv4.c and net/ipv6/tcp_ipv6.c. (CVE-2016-8645)\n\n - The ipv4_pktinfo_prepare function in net/ipv4/ip_sockglue.c in the Linux kernel through 4.9.9 allows\n attackers to cause a denial of service (system crash) via (1) an application that makes crafted system\n calls or possibly (2) IPv4 traffic with invalid IP options. (CVE-2017-5970)\n\n - Race condition in kernel/events/core.c in the Linux kernel before 4.9.7 allows local users to gain\n privileges via a crafted application that makes concurrent perf_event_open system calls for moving a\n software group into a hardware context. NOTE: this vulnerability exists because of an incomplete fix for\n CVE-2016-6786. (CVE-2017-6001)\n\n - The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial\n of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain\n match field, related to the keyring_search_iterator function in keyring.c. (CVE-2017-2647)\n\n - The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15\n allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by\n leveraging use of the accept system call. (CVE-2017-8890)\n\n - The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles\n inheritance, which allows local users to cause a denial of service or possibly have unspecified other\n impact via crafted system calls, a related issue to CVE-2017-8890. (CVE-2017-9077)\n\n - The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly\n interact with certain locations of a chroot directory, which allows local users to cause a denial of\n service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call.\n (CVE-2014-7970)\n\n - crypto/algif_skcipher.c in the Linux kernel before 4.4.2 does not verify that a setkey operation has been\n performed on an AF_ALG socket before an accept system call is processed, which allows local users to cause\n a denial of service (NULL pointer dereference and system crash) via a crafted application that does not\n supply a key, related to the lrw_crypt function in crypto/lrw.c. (CVE-2015-8970)\n\n - Race condition in the L2TPv3 IP Encapsulation feature in the Linux kernel before 4.8.14 allows local users\n to gain privileges or cause a denial of service (use-after-free) by making multiple bind system calls\n without properly ascertaining whether a socket has the SOCK_ZAPPED status, related to net/l2tp/l2tp_ip.c\n and net/l2tp/l2tp_ip6.c. (CVE-2016-10200)\n\n - fs/namespace.c in the Linux kernel before 4.9 does not restrict how many mounts may exist in a mount\n namespace, which allows local users to cause a denial of service (memory consumption and deadlock) via\n MS_BIND mount system calls, as demonstrated by a loop that triggers exponential growth in the number of\n mounts. (CVE-2016-6213)\n\n - It was discovered in the Linux kernel before 4.11-rc8 that root can gain direct access to an internal\n keyring, such as '.dns_resolver' in RHEL-7 or '.builtin_trusted_keys' upstream, by joining it as its\n session keyring. This allows root to bypass module signature verification by adding a new public key of\n its own devising to the keyring. (CVE-2016-9604)\n\n - The ping_unhash function in net/ipv4/ping.c in the Linux kernel through 4.10.8 is too late in obtaining a\n certain lock and consequently cannot ensure that disconnect function calls are safe, which allows local\n users to cause a denial of service (panic) by leveraging access to the protocol value of IPPROTO_ICMP in a\n socket system call. (CVE-2017-2671)\n\n - The keyring_search_aux function in security/keys/keyring.c in the Linux kernel through 3.14.79 allows\n local users to cause a denial of service (NULL pointer dereference and OOPS) via a request_key system call\n for the dead type. (CVE-2017-6951)\n\n - Incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c in the Linux\n kernel through 4.10.9 allows local users to obtain sensitive information from uninitialized stack data by\n triggering failure of a certain bitmap operation. (CVE-2017-7616)\n\n - The mm subsystem in the Linux kernel through 3.2 does not properly enforce the CONFIG_STRICT_DEVMEM\n protection mechanism, which allows local users to read or write to kernel memory locations in the first\n megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file,\n related to arch/x86/mm/init.c and drivers/char/mem.c. (CVE-2017-7889)\n\n - The IPv6 fragmentation implementation in the Linux kernel through 4.11.1 does not consider that the\n nexthdr field may be associated with an invalid option, which allows local users to cause a denial of\n service (out-of-bounds read and BUG) or possibly have unspecified other impact via crafted socket and send\n system calls. 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Scientific Linux Security Update : kernel on SL7.x x86_64 (20170801)
