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CVE-2014-3122

Published: 11 May 2014

The try_to_unmap_cluster function in mm/rmap.c in the Linux kernel before 3.14.3 does not properly consider which pages must be locked, which allows local users to cause a denial of service (system crash) by triggering a memory-usage pattern that requires removal of page-table mappings.

From the Ubuntu security team

Sasha Levin reported a bug in the Linux kernel's virtual memory management subsystem. An unprivileged local user could exploit this flaw to cause a denial of service (system crash).

Priority

Medium

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-armadaxp
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-aws
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-ec2
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-flo
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-gke
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-goldfish
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-grouper
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-hwe
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-linaro-omap
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-linaro-shared
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-lts-quantal
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-lts-raring
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-lts-saucy
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-lts-trusty
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-lts-utopic
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-lts-vivid
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-lts-wily
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-lts-xenial
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-maguro
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-mako
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-manta
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-mvl-dove
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-qcm-msm
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-raspi2
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-snapdragon
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)
linux-ti-omap4
Launchpad, Ubuntu, Debian
upstream
Released (3.15~rc1)