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CVE-2014-8171

Status Candidate

Overview

The memory resource controller (aka memcg) in the Linux kernel allows local users to cause a denial of service (deadlock) by spawning new processes within a memory-constrained cgroup.

Related Files

Red Hat Security Advisory 2015-2411-01
Posted Nov 20, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-2411-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's file system implementation handled rename operations in which the source was inside and the destination was outside of a bind mount. A privileged user inside a container could use this flaw to escape the bind mount and, potentially, escalate their privileges on the system. A race condition flaw was found in the way the Linux kernel's IPC subsystem initialized certain fields in an IPC object structure that were later used for permission checking before inserting the object into a globally visible list. A local, unprivileged user could potentially use this flaw to elevate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2013-7421, CVE-2014-8171, CVE-2014-9419, CVE-2014-9644, CVE-2015-2925, CVE-2015-3339, CVE-2015-4170, CVE-2015-5283, CVE-2015-7613, CVE-2015-7837
SHA-256 | 4ebb6d7591b02e0740e1a4134740ddd99527157811e2ec9e82dc7ce5145182a6
Red Hat Security Advisory 2015-2152-02
Posted Nov 20, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-2152-02 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's file system implementation handled rename operations in which the source was inside and the destination was outside of a bind mount. A privileged user inside a container could use this flaw to escape the bind mount and, potentially, escalate their privileges on the system. A race condition flaw was found in the way the Linux kernel's IPC subsystem initialized certain fields in an IPC object structure that were later used for permission checking before inserting the object into a globally visible list. A local, unprivileged user could potentially use this flaw to elevate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2010-5313, CVE-2013-7421, CVE-2014-3647, CVE-2014-7842, CVE-2014-8171, CVE-2014-9419, CVE-2014-9644, CVE-2015-0239, CVE-2015-2925, CVE-2015-3339, CVE-2015-4170, CVE-2015-5283, CVE-2015-6526, CVE-2015-7613, CVE-2015-7837
SHA-256 | 06dbad210262abe32fe40f41673bf1f3c59cc04c20cc43a1e532a4849a8b46c6
Red Hat Security Advisory 2015-0864-01
Posted Apr 21, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-0864-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way seunshare, a utility for running executables under a different security context, used the capng_lock functionality of the libcap-ng library. The subsequent invocation of suid root binaries that relied on the fact that the setuid() system call, among others, also sets the saved set-user-ID when dropping the binaries' process privileges, could allow a local, unprivileged user to potentially escalate their privileges on the system. Note: the fix for this issue is the kernel part of the overall fix, and introduces the PR_SET_NO_NEW_PRIVS functionality and the related SELinux exec transitions support.

tags | advisory, kernel, local, root
systems | linux, redhat
advisories | CVE-2014-3215, CVE-2014-3690, CVE-2014-7825, CVE-2014-7826, CVE-2014-8171, CVE-2014-8884, CVE-2014-9529, CVE-2014-9584, CVE-2015-1421
SHA-256 | 24e7a0f27ae4cfb8cbaeef49a7e9203298bb317a8eb324c5b8f16adb18278828
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