CVE-2019-10639

The Linux kernel 4.x starting from 4.1 and 5.x before 5.0.8 allows Information Exposure partial kernel address disclosure, leading to a KASLR bypass. Specifically, it is possible to extract the KASLR kernel image offset using the IP ID values the kernel produces for connection-less protocols e.g....

SUSE SLES12 Security Update : kernel (SUSE-SU-2019:1534-1) (SACK Panic) (SACK Slowness)

The SUSE Linux Enterprise 12 SP2 kernel version 4.4.121 was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2019-11477: A sequence of SACKs may have been crafted by a remote attacker such that one can trigger an integer overflow, leading to a kernel...

Linux < 4.14.103 / < 4.19.25 - Out-of-Bounds Read and Write in SNMP NAT Module Exploit

Linux 1 return -ENOTSUPP; return 1; int snmphelpervoid context, sizet hdrlen, unsigned char tag, const void data, sizet datalen struct snmpctx ctx = struct snmpctx context; be32 pdata = be32 data; if pdata == ctx-from prdebug"%s: %pI4 to %pI4\n", func, void &ctx-from, void &ctx-to; if ctx-check...

Linux 4.14.103 4.19.25 - Out-of-Bounds Read and Write in SNMP NAT Module

Linux 4.14.103 4.19.25 - Out-of-Bounds Read and Write in SNMP NAT Module commit cc2d58634e0f "netfilter: nfnatsnmpbasic: use asn1 decoder library", first in 4.16 changed the nfnatsnmpbasic module which, when enabled, parses and modifies the ASN.1-encoded payloads of SNMP messages so that the...

kernel: NULL pointer dereference in af_netlink.c:__netlink_ns_capable() allows for denial of service

The Linux kernel was found to be vulnerable to a NULL pointer dereference bug in the netlinknscapable function in the net/netlink/afnetlink.c file. A local attacker could exploit this when a net namespace with a netnsid is assigned to cause a kernel panic and a denial of service...

kernel: NULL pointer dereference in af_netlink.c:__netlink_ns_capable() allows for denial of service

The Linux kernel was found to be vulnerable to a NULL pointer dereference bug in the netlinknscapable function in the net/netlink/afnetlink.c file. A local attacker could exploit this when a net namespace with a netnsid is assigned to cause a kernel panic and a denial of service...

UBUNTU-CVE-2018-14646

The Linux kernel before 4.15-rc8 was found to be vulnerable to a NULL pointer dereference bug in the netlinknscapable function in the net/netlink/afnetlink.c file. A local attacker could exploit this when a net namespace with a netnsid is assigned to cause a kernel panic and a denial of service...

Virtuozzo 7 : readykernel-patch (VZA-2018-038)

According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities : - Linux kernel before version 4.16-rc7 is vulnerable to a null pointer dereference in dccpwritexmit function in...

Virtuozzo 7 : readykernel-patch (VZA-2018-026)

According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities : - It was discovered that nfnlcthelperlist structure was accessible to any user with CAPNETADMIN capability in a networ...

Virtuozzo 7 : readykernel-patch (VZA-2018-024)

According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities : - It was discovered that nfnlcthelperlist structure was accessible to any user with CAPNETADMIN capability in a networ...

Kernel security update: Virtuozzo ReadyKernel patch 49.0 for Virtuozzo 7.0.7 and 7.0.7 HF2

The cumulative Virtuozzo ReadyKernel patch was updated with security and stability fixes. The patch applies to Virtuozzo 7.0 kernels 3.10.0-693.17.1.vz7.43.10 7.0.7 and 3.10.0-693.21.1.vz7.46.7 7.0.7 HF2. Vulnerability id: CVE-2017-17448 It was discovered that nfnlcthelperlist structure was...

kernel: Missing capabilities check in net/netfilter/nfnetlink_cthelper.c allows for unprivileged access to systemwide nfnl_cthelper_list structure

The net/netfilter/nfnetlinkcthelper.c function in the Linux kernel through 4.14.4 does not require the CAPNETADMIN capability for new, get, and del operations. This allows local users to bypass intended access restrictions because the nfnlcthelperlist data structure is shared across all net...

CVE-2017-15115

A vulnerability was found in the Linux kernel when peeling off an association to the socket in another network namespace. All transports in this association are not to be rehashed and keep using the old key in hashtable, thus removing transports from hashtable when closing the socket, all...

Virtuozzo 7 : kernel / kernel-abi-whitelists / kernel-debug / etc (VZLSA-2017-0086)

An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

openSUSE Security Update : lxc (openSUSE-2017-463)

This update for lxc fixes the following issues : This security issue was fixed : CVE-2017-5985: lxc-user-nic allowed access to network namespace over which the caller did not hold privilege boo1028264. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in...

UBUNTU-CVE-2017-5985

lxc-user-nic in Linux Containers LXC allows local users with a lxc-usernet allocation to create network interfaces on the host and choose the name of those interfaces by leveraging lack of netns ownership check...

kernel: compat IPT_SO_SET_REPLACE setsockopt

A flaw was discovered in processing setsockopt for 32 bit processes on 64 bit systems. This flaw will allow attackers to alter arbitrary kernel memory when unloading a kernel module. This action is usually restricted to root-privileged users but can also be leveraged if the kernel is compiled wit...

kernel: compat IPT_SO_SET_REPLACE setsockopt

A flaw was discovered in processing setsockopt for 32 bit processes on 64 bit systems. This flaw will allow attackers to alter arbitrary kernel memory when unloading a kernel module. This action is usually restricted to root-privileged users but can also be leveraged if the kernel is compiled wit...

CVE-2016-4805

Use-after-free vulnerability in drivers/net/ppp/pppgeneric.c in the Linux kernel before 4.5.2 allows local users to cause a denial of service memory corruption and system crash, or spinlock or possibly have unspecified other impact by removing a network namespace, related to the...

CVE-2016-4805

Use-after-free vulnerability in drivers/net/ppp/pppgeneric.c in the Linux kernel before 4.5.2 allows local users to cause a denial of service memory corruption and system crash, or spinlock or possibly have unspecified other impact by removing a network namespace, related to the...