The remote OracleVM system is missing necessary patches to address critical security updates :
- l2tp: fix racy SOCK_ZAPPED flag check in l2tp_ip[,6]_bind (Guillaume Nault) [Orabug: 26586047] (CVE-2016-10200)
- xfs: fix two memory leaks in xfs_attr_list.c error paths (Mateusz Guzik) [Orabug: 26586022] (CVE-2016-9685)
- KEYS: Disallow keyrings beginning with '.' to be joined as session keyrings (David Howells) [Orabug: 26585994] (CVE-2016-9604)
- ipv6: fix out of bound writes in __ip6_append_data (Eric Dumazet) [Orabug: 26578198] (CVE-2017-9242)
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hard_header_len to ETH_HLEN on slave removal (bsc#1042286).\n\n - bonding: do not use stale speed and duplex information (bsc#1042286).\n\n - bonding: prevent out of bound accesses (bsc#1042286).\n\n - brcmfmac: add fallback for devices that do not report per-chain values (bsc#1043231).\n\n - brcmfmac: avoid writing channel out of allocated array (bsc#1043231).\n\n - ceph: fix potential use-after-free (bsc#1043371).\n\n - ceph: memory leak in ceph_direct_read_write callback (bsc#1041810).\n\n - cfq-iosched: fix the delay of cfq_group's vdisktime under iops mode (bsc#1012829).\n\n - cgroup: remove redundant cleanup in css_create (bsc#1012829).\n\n - cifs: small underflow in cnvrtDosUnixTm() (bnc#1043935).\n\n - drm/mgag200: Fix to always set HiPri for G200e4 (bsc#1015452, bsc#995542).\n\n - drm/nouveau/tmr: fully separate alarm execution/pending lists (bsc#1043467).\n\n - efi: Do not issue error message when booted under Xen (bnc#1036638).\n\n - ext4: fix data corruption for mmap writes (bsc#1012829).\n\n - ext4: fix data corruption with EXT4_GET_BLOCKS_ZERO (bsc#1012829).\n\n - fuse: fix clearing suid, sgid for chown() (bsc#1012829).\n\n - ibmvnic: Check adapter state during ibmvnic_poll (fate#322021, bsc#1040855).\n\n - ibmvnic: Deactivate RX pool buffer replenishment on H_CLOSED (fate#322021, bsc#1040855).\n\n - ibmvnic: Fix cleanup of SKB's on driver close (fate#322021, bsc#1040855).\n\n - ibmvnic: Halt TX and report carrier off on H_CLOSED return code (fate#322021, bsc#1040855).\n\n - ibmvnic: Handle failover after failed init crq (fate#322021, bsc#1040855).\n\n - ibmvnic: Non-fatal error handling (fate#322021, bsc#1040855).\n\n - ibmvnic: Reset sub-crqs during driver reset (fate#322021, bsc#1040855).\n\n - ibmvnic: Reset the CRQ queue during driver reset (fate#322021, bsc#1040855).\n\n - ibmvnic: Reset tx/rx pools on driver reset (fate#322021, bsc#1040855).\n\n - ibmvnic: Return failure on attempted mtu change (bsc#1043236).\n\n - ibmvnic: Send gratuitous arp on reset (fate#322021, bsc#1040855).\n\n - ibmvnic: Track state of adapter napis (fate#322021, bsc#1040855).\n\n - ipv6: Do not use ufo handling on later transformed packets (bsc#1042286).\n\n - ipv6: fix endianness error in icmpv6_err (bsc#1042286).\n\n - kABI: protect struct fib_info (kabi).\n\n - kABI: protect struct pglist_data (kabi).\n\n - kABI: protect struct xlog (bsc#1043598).\n\n - kernel-binary.spec: Propagate MAKE_ARGS to %build (bsc#1012422)\n\n - l2tp: fix race in l2tp_recv_common() (bsc#1042286).\n\n - libceph: NULL deref on crush_decode() error path (bsc#1044015).\n\n - md: allow creation of mdNNN arrays via md_mod/parameters/new_array (bsc#1032339).\n\n - md: support disabling of create-on-open semantics (bsc#1032339).\n\n - mm/hugetlb: check for reserved hugepages during memory offline (bnc#971975 VM -- git fixes).\n\n - mm/hugetlb: fix incorrect hugepages count during mem hotplug (bnc#971975 VM -- git fixes).\n\n - mmc: Downgrade error level (bsc#1042536).\n\n - module: fix memory leak on early load_module() failures (bsc#1043014).\n\n - net: bridge: start hello timer only if device is up (bnc#1012382).\n\n - net: fix compile error in skb_orphan_partial() (bnc#1012382).\n\n - net: ipv6: set route type for anycast routes (bsc#1042286).\n\n - netfilter: nf_conntrack_sip: extend request line validation (bsc#1042286).\n\n - netfilter: nf_ct_expect: remove the redundant slash when policy name is empty (bsc#1042286).\n\n - netfilter: nf_dup_ipv6: set again FLOWI_FLAG_KNOWN_NH at flowi6_flags (bsc#1042286).\n\n - netfilter: nf_nat_snmp: Fix panic when snmp_trap_helper fails to register (bsc#1042286).\n\n - netfilter: nfnetlink_queue: reject verdict request from different portid (bsc#1042286).\n\n - netfilter: restart search if moved to other chain (bsc#1042286).\n\n - netfilter: use fwmark_reflect in nf_send_reset (bsc#1042286).\n\n - netxen_nic: set rcode to the return status from the call to netxen_issue_cmd (bsc#966339 FATE#320150).\n\n - nfs: Fix 'Do not increment lock sequence ID after NFS4ERR_MOVED' (git-fixes).\n\n - nsfs: mark dentry with DCACHE_RCUACCESS (bsc#1012829).\n\n - nvme: submit nvme_admin_activate_fw to admin queue (bsc#1044532).\n\n - percpu: remove unused chunk_alloc parameter from pcpu_get_pages() (bnc#971975 VM -- git fixes).\n\n - perf/x86/intel/rapl: Make Knights Landings support functional (bsc#1042517).\n\n - powerpc/64: Fix flush_(d|i)cache_range() called from modules (bnc#863764 fate#315275, LTC#103998).\n\n - quota: fill in Q_XGETQSTAT inode information for inactive quotas (bsc#1042356).\n\n - radix-tree: fix radix_tree_iter_retry() for tagged iterators (bsc#1012829).\n\n - rpm/kernel-binary.spec: remove superfluous flags This should make build logs more readable and people adding more flags should have easier time finding a place to add them in the spec file.\n\n - rpm/kernel-spec-macros: Fix the check if there is no rebuild counter (bsc#1012060)\n\n - rtnl: reset calcit fptr in rtnl_unregister() (bsc#1042286).\n\n - series.conf: remove silly comment\n\n - tcp: account for ts offset only if tsecr not zero (bsc#1042286).\n\n - tcp: fastopen: accept data/FIN present in SYNACK message (bsc#1042286).\n\n - tcp: fastopen: avoid negative sk_forward_alloc (bsc#1042286).\n\n - tcp: fastopen: call tcp_fin() if FIN present in SYNACK (bsc#1042286).\n\n - tcp: fastopen: fix rcv_wup initialization for TFO server on SYN/data (bsc#1042286).\n\n - tpm: Downgrade error level (bsc#1042535).\n\n - udp: avoid ufo handling on IP payload compression packets (bsc#1042286).\n\n - udplite: call proper backlog handlers (bsc#1042286).\n\n - x86/PCI: Mark Broadwell-EP Home Agent 1 as having non-compliant BARs (bsc#9048891).\n\n - xen/mce: do not issue error message for failed /dev/mcelog registration (bnc#1036638).\n\n - xen: add sysfs node for guest type (bnc#1037840).\n\n - xfrm: Fix memory leak of aead algorithm name (bsc#1042286).\n\n - xfs: add missing include dependencies to xfs_dir2.h (bsc#1042421).\n\n - xfs: do not warn on buffers not being recovered due to LSN (bsc#1043598).\n\n - xfs: fix xfs_mode_to_ftype() prototype (bsc#1043598).\n\n - xfs: log recovery tracepoints to track current lsn and buffer submission (bsc#1043598).\n\n - xfs: pass current lsn to log recovery buffer validation (bsc#1043598).\n\n - xfs: refactor log record unpack and data processing (bsc#1043598).\n\n - xfs: replace xfs_mode_to_ftype table with switch statement (bsc#1042421).\n\n - xfs: rework log recovery to submit buffers on LSN boundaries (bsc#1043598).\n\n - xfs: rework the inline directory verifiers (bsc#1042421).\n\n - xfs: sanity check directory inode di_size (bsc#1042421).\n\n - xfs: sanity check inode di_mode (bsc#1042421).\n\n - xfs: update metadata LSN in buffers during log recovery (bsc#1043598).\n\n - xfs: verify inline directory data forks (bsc#1042421).\n\n - zswap: do not param_set_charp while holding spinlock (VM Functionality, bsc#1042886).", "cvss3": {}, "published": "2017-06-30T00:00:00", "type": "nessus", "title": "openSUSE Security Update : the Linux Kernel (openSUSE-2017-716) (Stack Clash)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2017-1000364", "CVE-2017-1000380", "CVE-2017-7346", "CVE-2017-9242"], "modified": "2021-01-19T00:00:00", "cpe": ["p-cpe:/a:novell:opensuse:kernel-debug", "p-cpe:/a:novell:opensuse:kernel-debug-base", "p-cpe:/a:novell:opensuse:kernel-debug-base-debuginfo", "p-cpe:/a:novell:opensuse:kernel-debug-debuginfo", "p-cpe:/a:novell:opensuse:kernel-debug-debugsource", "p-cpe:/a:novell:opensuse:kernel-debug-devel", "p-cpe:/a:novell:opensuse:kernel-debug-devel-debuginfo", "p-cpe:/a:novell:opensuse:kernel-default", "p-cpe:/a:novell:opensuse:kernel-default-base", "p-cpe:/a:novell:opensuse:kernel-default-base-debuginfo", "p-cpe:/a:novell:opensuse:kernel-default-debuginfo", "p-cpe:/a:novell:opensuse:kernel-default-debugsource", "p-cpe:/a:novell:opensuse:kernel-default-devel", "p-cpe:/a:novell:opensuse:kernel-devel", "p-cpe:/a:novell:opensuse:kernel-docs-html", "p-cpe:/a:novell:opensuse:kernel-docs-pdf", "p-cpe:/a:novell:opensuse:kernel-macros", "p-cpe:/a:novell:opensuse:kernel-obs-build", "p-cpe:/a:novell:opensuse:kernel-obs-build-debugsource", "p-cpe:/a:novell:opensuse:kernel-obs-qa", "p-cpe:/a:novell:opensuse:kernel-source", "p-cpe:/a:novell:opensuse:kernel-source-vanilla", "p-cpe:/a:novell:opensuse:kernel-syms", "p-cpe:/a:novell:opensuse:kernel-vanilla", "p-cpe:/a:novell:opensuse:kernel-vanilla-base", "p-cpe:/a:novell:opensuse:kernel-vanilla-base-debuginfo", "p-cpe:/a:novell:opensuse:kernel-vanilla-debuginfo", "p-cpe:/a:novell:opensuse:kernel-vanilla-debugsource", "p-cpe:/a:novell:opensuse:kernel-vanilla-devel", "cpe:/o:novell:opensuse:42.2"], "id": "OPENSUSE-2017-716.NASL", "href": "https://www.tenable.com/plugins/nessus/101127", "sourceData": "#%NASL_MIN_LEVEL 70300\n#\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from openSUSE Security Update openSUSE-2017-716.\n#\n# The text description of this plugin is (C) SUSE LLC.\n#\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(101127);\n script_version(\"3.7\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2021/01/19\");\n\n script_cve_id(\"CVE-2017-1000364\", \"CVE-2017-1000380\", \"CVE-2017-7346\", \"CVE-2017-9242\");\n\n script_name(english:\"openSUSE Security Update : the Linux Kernel (openSUSE-2017-716) (Stack Clash)\");\n script_summary(english:\"Check for the openSUSE-2017-716 patch\");\n\n script_set_attribute(\n attribute:\"synopsis\", \n value:\"The remote openSUSE host is missing a security update.\"\n );\n script_set_attribute(\n attribute:\"description\", \n value:\n\"The openSUSE Leap 42.2 kernel was updated to 4.4.72 to receive various\nsecurity and bugfixes.\n\nThe following security bugs were fixed :\n\n - CVE-2017-1000364: An issue was discovered in the size of\n the stack guard page on Linux, specifically a 4k stack\n guard page is not sufficiently large and can be 'jumped'\n over (the stack guard page is bypassed), this affects\n Linux Kernel versions 4.11.5 and earlier (the stackguard\n page was introduced in 2010) (bnc#1039348).\n\n - CVE-2017-1000380: sound/core/timer.c in the Linux kernel\n is vulnerable to a data race in the ALSA /dev/snd/timer\n driver resulting in local users being able to read\n information belonging to other users, i.e.,\n uninitialized memory contents may be disclosed when a\n read and an ioctl happen at the same time (bnc#1044125).\n\n - CVE-2017-7346: The vmw_gb_surface_define_ioctl function\n in drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux\n kernel did not validate certain levels data, which\n allowed local users to cause a denial of service (system\n hang) via a crafted ioctl call for a /dev/dri/renderD*\n device (bnc#1031796).\n\n - CVE-2017-9242: The __ip6_append_data function in\n net/ipv6/ip6_output.c in the Linux kernel is too late in\n checking whether an overwrite of an skb data structure\n may occur, which allowed local users to cause a denial\n of service (system crash) via crafted system calls\n (bnc#1041431).\n\nThe following non-security bugs were fixed :\n\n - ASoC: Intel: Skylake: Uninitialized variable in\n probe_codec() (bsc#1043231).\n\n - IB/core: Fix kernel crash during fail to initialize\n device (bsc#1022595 FATE#322350).\n\n - IB/core: For multicast functions, verify that LIDs are\n multicast LIDs (bsc#1022595 FATE#322350).\n\n - IB/core: If the MGID/MLID pair is not on the list return\n an error (bsc#1022595 FATE#322350).\n\n - IB/ipoib: Fix deadlock between ipoib_stop and mcast join\n flow (bsc#1022595 FATE#322350).\n\n - Make __xfs_xattr_put_listen preperly report errors\n (bsc#1041242).\n\n - NFS: Fix an LOCK/OPEN race when unlinking an open file\n (git-fixes).\n\n - NFSv4: Fix the underestimation of delegation XDR space\n reservation (git-fixes).\n\n - NFSv4: fix a reference leak caused WARNING messages\n (git-fixes).\n\n - PM / QoS: Fix memory leak on resume_latency.notifiers\n (bsc#1043231).\n\n - SUNRPC: Silence WARN_ON when NFSv4.1 over RDMA is in use\n (git-fixes).\n\n - SUNRPC: ensure correct error is reported by\n xs_tcp_setup_socket() (git-fixes).\n\n - Update patches.fixes/xen-silence-efi-error-messge.patch\n (bnc#1039900).\n\n - [media] vb2: Fix an off by one error in\n 'vb2_plane_vaddr' (bsc#1043231).\n\n - bcache: fix calling ida_simple_remove() with incorrect\n minor (bsc#1038085).\n\n - bna: add missing per queue ethtool stat (bsc#966321\n FATE#320156).\n\n - bna: integer overflow bug in debugfs (bsc#966321\n FATE#320156).\n\n - bonding: avoid defaulting hard_header_len to ETH_HLEN on\n slave removal (bsc#1042286).\n\n - bonding: do not use stale speed and duplex information\n (bsc#1042286).\n\n - bonding: prevent out of bound accesses (bsc#1042286).\n\n - brcmfmac: add fallback for devices that do not report\n per-chain values (bsc#1043231).\n\n - brcmfmac: avoid writing channel out of allocated array\n (bsc#1043231).\n\n - ceph: fix potential use-after-free (bsc#1043371).\n\n - ceph: memory leak in ceph_direct_read_write callback\n (bsc#1041810).\n\n - cfq-iosched: fix the delay of cfq_group's vdisktime\n under iops mode (bsc#1012829).\n\n - cgroup: remove redundant cleanup in css_create\n (bsc#1012829).\n\n - cifs: small underflow in cnvrtDosUnixTm() (bnc#1043935).\n\n - drm/mgag200: Fix to always set HiPri for G200e4\n (bsc#1015452, bsc#995542).\n\n - drm/nouveau/tmr: fully separate alarm execution/pending\n lists (bsc#1043467).\n\n - efi: Do not issue error message when booted under Xen\n (bnc#1036638).\n\n - ext4: fix data corruption for mmap writes (bsc#1012829).\n\n - ext4: fix data corruption with EXT4_GET_BLOCKS_ZERO\n (bsc#1012829).\n\n - fuse: fix clearing suid, sgid for chown() (bsc#1012829).\n\n - ibmvnic: Check adapter state during ibmvnic_poll\n (fate#322021, bsc#1040855).\n\n - ibmvnic: Deactivate RX pool buffer replenishment on\n H_CLOSED (fate#322021, bsc#1040855).\n\n - ibmvnic: Fix cleanup of SKB's on driver close\n (fate#322021, bsc#1040855).\n\n - ibmvnic: Halt TX and report carrier off on H_CLOSED\n return code (fate#322021, bsc#1040855).\n\n - ibmvnic: Handle failover after failed init crq\n (fate#322021, bsc#1040855).\n\n - ibmvnic: Non-fatal error handling (fate#322021,\n bsc#1040855).\n\n - ibmvnic: Reset sub-crqs during driver reset\n (fate#322021, bsc#1040855).\n\n - ibmvnic: Reset the CRQ queue during driver reset\n (fate#322021, bsc#1040855).\n\n - ibmvnic: Reset tx/rx pools on driver reset (fate#322021,\n bsc#1040855).\n\n - ibmvnic: Return failure on attempted mtu change\n (bsc#1043236).\n\n - ibmvnic: Send gratuitous arp on reset (fate#322021,\n bsc#1040855).\n\n - ibmvnic: Track state of adapter napis (fate#322021,\n bsc#1040855).\n\n - ipv6: Do not use ufo handling on later transformed\n packets (bsc#1042286).\n\n - ipv6: fix endianness error in icmpv6_err (bsc#1042286).\n\n - kABI: protect struct fib_info (kabi).\n\n - kABI: protect struct pglist_data (kabi).\n\n - kABI: protect struct xlog (bsc#1043598).\n\n - kernel-binary.spec: Propagate MAKE_ARGS to %build\n (bsc#1012422)\n\n - l2tp: fix race in l2tp_recv_common() (bsc#1042286).\n\n - libceph: NULL deref on crush_decode() error path\n (bsc#1044015).\n\n - md: allow creation of mdNNN arrays via\n md_mod/parameters/new_array (bsc#1032339).\n\n - md: support disabling of create-on-open semantics\n (bsc#1032339).\n\n - mm/hugetlb: check for reserved hugepages during memory\n offline (bnc#971975 VM -- git fixes).\n\n - mm/hugetlb: fix incorrect hugepages count during mem\n hotplug (bnc#971975 VM -- git fixes).\n\n - mmc: Downgrade error level (bsc#1042536).\n\n - module: fix memory leak on early load_module() failures\n (bsc#1043014).\n\n - net: bridge: start hello timer only if device is up\n (bnc#1012382).\n\n - net: fix compile error in skb_orphan_partial()\n (bnc#1012382).\n\n - net: ipv6: set route type for anycast routes\n (bsc#1042286).\n\n - netfilter: nf_conntrack_sip: extend request line\n validation (bsc#1042286).\n\n - netfilter: nf_ct_expect: remove the redundant slash when\n policy name is empty (bsc#1042286).\n\n - netfilter: nf_dup_ipv6: set again FLOWI_FLAG_KNOWN_NH at\n flowi6_flags (bsc#1042286).\n\n - netfilter: nf_nat_snmp: Fix panic when snmp_trap_helper\n fails to register (bsc#1042286).\n\n - netfilter: nfnetlink_queue: reject verdict request from\n different portid (bsc#1042286).\n\n - netfilter: restart search if moved to other chain\n (bsc#1042286).\n\n - netfilter: use fwmark_reflect in nf_send_reset\n (bsc#1042286).\n\n - netxen_nic: set rcode to the return status from the call\n to netxen_issue_cmd (bsc#966339 FATE#320150).\n\n - nfs: Fix 'Do not increment lock sequence ID after\n NFS4ERR_MOVED' (git-fixes).\n\n - nsfs: mark dentry with DCACHE_RCUACCESS (bsc#1012829).\n\n - nvme: submit nvme_admin_activate_fw to admin queue\n (bsc#1044532).\n\n - percpu: remove unused chunk_alloc parameter from\n pcpu_get_pages() (bnc#971975 VM -- git fixes).\n\n - perf/x86/intel/rapl: Make Knights Landings support\n functional (bsc#1042517).\n\n - powerpc/64: Fix flush_(d|i)cache_range() called from\n modules (bnc#863764 fate#315275, LTC#103998).\n\n - quota: fill in Q_XGETQSTAT inode information for\n inactive quotas (bsc#1042356).\n\n - radix-tree: fix radix_tree_iter_retry() for tagged\n iterators (bsc#1012829).\n\n - rpm/kernel-binary.spec: remove superfluous flags This\n should make build logs more readable and people adding\n more flags should have easier time finding a place to\n add them in the spec file.\n\n - rpm/kernel-spec-macros: Fix the check if there is no\n rebuild counter (bsc#1012060)\n\n - rtnl: reset calcit fptr in rtnl_unregister()\n (bsc#1042286).\n\n - series.conf: remove silly comment\n\n - tcp: account for ts offset only if tsecr not zero\n (bsc#1042286).\n\n 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(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. (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\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-2017-9076)\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\n checking whether an overwrite of an skb data structure may occur, which allows local users to cause a\n 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\n users to cause a denial of service (disk corruption) by writing to a page that is associated with a\n different user's file after unsynchronized hole punching and page-fault handling. 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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. (CVE-2017-9075)\n\nNote that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2017-08-09T00:00:00", "type": "nessus", "title": "Oracle Linux 7 : kernel (ELSA-2017-1842)", "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-2016-10741", "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-2017-1000379", "CVE-2017-2584", "CVE-2017-2596", "CVE-2017-2647", "CVE-2017-2671", "CVE-2017-5551", "CVE-2017-5970", "CVE-2017-6001", "CVE-2017-6951", "CVE-2017-7187", "CVE-2017-7495", "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": "2021-09-08T00:00:00", "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-2017-1842.NASL", "href": "https://www.tenable.com/plugins/nessus/102281", "sourceData": "#%NASL_MIN_LEVEL 70300\n##\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from Oracle Linux Security Advisory ELSA-2017-1842.\n##\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(102281);\n script_version(\"3.16\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2021/09/08\");\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-2016-10741\",\n \"CVE-2017-2584\",\n \"CVE-2017-2596\",\n \"CVE-2017-2647\",\n \"CVE-2017-2671\",\n \"CVE-2017-5551\",\n \"CVE-2017-5970\",\n \"CVE-2017-6001\",\n \"CVE-2017-6951\",\n \"CVE-2017-7187\",\n \"CVE-2017-7495\",\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 \"CVE-2017-1000379\"\n );\n script_xref(name:\"RHSA\", value:\"2017:1842\");\n\n script_name(english:\"Oracle Linux 7 : kernel (ELSA-2017-1842)\");\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-2017-1842 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. 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(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. (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\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-2017-9076)\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\n checking whether an overwrite of an skb data structure may occur, which allows local users to cause a\n 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\n users to cause a denial of service (disk corruption) by writing to a page that is associated with a\n 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\n 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\n processing the NFSv4 pNFS GETDEVICEINFO or LAYOUTGET operand in a UDP packet from a remote attacker. This\n type value is uninitialized upon encountering certain error conditions. This value is used as an array\n index for dereferencing, which leads to an OOPS and eventually a DoS of knfsd and a soft-lockup of the\n 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\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. 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level ' + expected_kernel_major_minor + ', it is running kernel level ' + kernel_major_minor);\n\nvar pkgs = [\n {'reference':'kernel-3.10.0-693.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-3.10.0'},\n {'reference':'kernel-abi-whitelists-3.10.0-693.el7', 'release':'7', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-abi-whitelists-3.10.0'},\n {'reference':'kernel-debug-3.10.0-693.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-debug-3.10.0'},\n {'reference':'kernel-debug-devel-3.10.0-693.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-debug-devel-3.10.0'},\n {'reference':'kernel-devel-3.10.0-693.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-devel-3.10.0'},\n {'reference':'kernel-headers-3.10.0-693.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'kernel-headers-3.10.0'},\n 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(CVE-2017-1000251)\n\nIt was discovered that the asynchronous I/O (aio) subsystem of the Linux kernel did not properly set permissions on aio memory mappings in some situations. An attacker could use this to more easily exploit other vulnerabilities. (CVE-2016-10044)\n\nBaozeng Ding and Andrey Konovalov discovered a race condition in the L2TPv3 IP Encapsulation implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2016-10200)\n\nAndreas Gruenbacher and Jan Kara discovered that the filesystem implementation in the Linux kernel did not clear the setgid bit during a setxattr call. A local attacker could use this to possibly elevate group privileges. (CVE-2016-7097)\n\nSergej Schumilo, Ralf Spenneberg, and Hendrik Schwartke discovered that the key management subsystem in the Linux kernel did not properly allocate memory in some situations. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-8650)\n\nVlad Tsyrklevich discovered an integer overflow vulnerability in the VFIO PCI driver for the Linux kernel. A local attacker with access to a vfio PCI device file could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2016-9083, CVE-2016-9084)\n\nIt was discovered that an information leak existed in\n__get_user_asm_ex() in the Linux kernel. A local attacker could use this to expose sensitive information. (CVE-2016-9178)\n\nCAI Qian discovered that the sysctl implementation in the Linux kernel did not properly perform reference counting in some situations. An unprivileged attacker could use this to cause a denial of service (system hang). (CVE-2016-9191)\n\nIt was discovered that the keyring implementation in the Linux kernel in some situations did not prevent special internal keyrings from being joined by userspace keyrings. A privileged local attacker could use this to bypass module verification. (CVE-2016-9604)\n\nIt was discovered that an integer overflow existed in the trace subsystem of the Linux kernel. A local privileged attacker could use this to cause a denial of service (system crash). (CVE-2016-9754)\n\nAndrey Konovalov discovered that the IPv4 implementation in the Linux kernel did not properly handle invalid IP options in some situations.\nAn attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2017-5970)\n\nDmitry Vyukov discovered that the Linux kernel did not properly handle TCP packets with the URG flag. A remote attacker could use this to cause a denial of service. (CVE-2017-6214)\n\nIt was discovered that a race condition existed in the AF_PACKET handling code in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-6346)\n\nIt was discovered that the keyring implementation in the Linux kernel did not properly restrict searches for dead keys. A local attacker could use this to cause a denial of service (system crash).\n(CVE-2017-6951)\n\nDmitry Vyukov discovered that the generic SCSI (sg) subsystem in the Linux kernel contained a stack-based buffer overflow. A local attacker with access to an sg device could use this to cause a denial of service (system crash) or possibly execute arbitrary code.\n(CVE-2017-7187)\n\nEric Biggers discovered a memory leak in the keyring implementation in the Linux kernel. A local attacker could use this to cause a denial of service (memory consumption). (CVE-2017-7472)\n\nIt was discovered that a buffer overflow existed in the Broadcom FullMAC WLAN driver in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. 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A privileged local attacker could\nuse this to bypass module verification. (CVE-2016-9604)\n\nIt was discovered that an integer overflow existed in the trace\nsubsystem of the Linux kernel. A local privileged attacker could use\nthis to cause a denial of service (system crash). (CVE-2016-9754)\n\nAndrey Konovalov discovered that the IPv4 implementation in the Linux\nkernel did not properly handle invalid IP options in some situations.\nAn attacker could use this to cause a denial of service or possibly\nexecute arbitrary code. (CVE-2017-5970)\n\nDmitry Vyukov discovered that the Linux kernel did not properly handle\nTCP packets with the URG flag. A remote attacker could use this to\ncause a denial of service. (CVE-2017-6214)\n\nIt was discovered that a race condition existed in the AF_PACKET\nhandling code in the Linux kernel. A local attacker could use this to\ncause a denial of service (system crash) or possibly execute arbitrary\ncode. (CVE-2017-6346)\n\nIt was discovered that the keyring implementation in the Linux kernel\ndid not properly restrict searches for dead keys. A local attacker\ncould use this to cause a denial of service (system crash).\n(CVE-2017-6951)\n\nDmitry Vyukov discovered that the generic SCSI (sg) subsystem in the\nLinux kernel contained a stack-based buffer overflow. A local attacker\nwith access to an sg device could use this to cause a denial of\nservice (system crash) or possibly execute arbitrary code.\n(CVE-2017-7187)\n\nEric Biggers discovered a memory leak in the keyring implementation in\nthe Linux kernel. A local attacker could use this to cause a denial of\nservice (memory consumption). (CVE-2017-7472)\n\nIt was discovered that a buffer overflow existed in the Broadcom\nFullMAC WLAN driver in the Linux kernel. A local attacker could use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code. 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It could occur on x86 platform, when emulating an undefined instruction. An attacker could use this flaw to crash the host kernel resulting in DoS.(CVE-2016-8630)\n\n - A buffer overflow vulnerability due to a lack of input filtering of incoming fragmented datagrams was found in the IP-over-1394 driver firewire-net in a fragment handling code in the Linux kernel. The vulnerability exists since firewire supported IPv4, i.e. since version 2.6.31 (year 2009) till version v4.9-rc4. A maliciously formed fragment with a respectively large datagram offset would cause a memcpy() past the datagram buffer, which would cause a system panic or possible arbitrary code execution.The flaw requires firewire-net module to be loaded and is remotely exploitable from connected firewire devices, but not over a local network.(CVE-2016-8633)\n\n - It was discovered that the Linux kernel since 3.6-rc1 with 'net.ipv4.tcp_fastopen' set to 1 can hit BUG() statement in tcp_collapse() function after making a number of certain syscalls leading to a possible system crash.(CVE-2016-8645)\n\n - A vulnerability was found in the Linux kernel. An unprivileged local user could trigger oops in shash_async_export() by attempting to force the in-kernel hashing algorithms into decrypting an empty data set.(CVE-2016-8646)\n\n - A flaw was found in the Linux kernel key management subsystem in which a local attacker could crash the kernel or corrupt the stack and additional memory (denial of service) by supplying a specially crafted RSA key. This flaw panics the machine during the verification of the RSA key.(CVE-2016-8650)\n\n - A race condition issue leading to a use-after-free flaw was found in the way the raw packet sockets implementation in the Linux kernel networking subsystem handled synchronization while creating the TPACKET_V3 ring buffer. 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