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CVE-2015-5706

Published: 3 August 2015

Use-after-free vulnerability in the path_openat function in fs/namei.c in the Linux kernel 3.x and 4.x before 4.0.4 allows local users to cause a denial of service or possibly have unspecified other impact via O_TMPFILE filesystem operations that leverage a duplicate cleanup operation.

From the Ubuntu Security Team

A double free flaw was discovered in the Linux kernel's path lookup. A local user could cause a denial of service (Oops).

Notes

AuthorNote
jdstrand
android kernels (flo, goldfish, grouper, maguro, mako and manta) are
not supported on the Ubuntu Touch 14.10 and earlier preview kernels
linux-lts-saucy no longer receives official support
linux-lts-quantal no longer receives official support

Priority

Medium

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
upstream
Released (4.1~rc3)
precise Not vulnerable

trusty
Released (3.13.0-58.97)
utopic Ignored
(end of life, was pending)
vivid
Released (3.19.0-22.22)
wily Not vulnerable
(4.0.0-4.6)
xenial Not vulnerable
(4.2.0-16.19)
yakkety Not vulnerable
(4.4.0-21.37)
Patches:
Introduced by

60545d0d4610b02e55f65d141c95b18ccf855b6e

Fixed by f15133df088ecadd141ea1907f2c96df67c729f0
linux-2.6
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (4.1~rc3)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-armadaxp
Launchpad, Ubuntu, Debian
precise Not vulnerable

trusty Does not exist

upstream
Released (4.1~rc3)
utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Not vulnerable
(4.4.0-1002.2)
upstream
Released (4.1~rc3)
xenial Not vulnerable
(4.4.0-1001.10)
yakkety Does not exist

linux-ec2
Launchpad, Ubuntu, Debian
upstream
Released (4.1~rc3)
precise Does not exist

trusty Does not exist

utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-flo
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.1~rc3)
utopic Not vulnerable

vivid Not vulnerable

wily Not vulnerable

xenial Not vulnerable

yakkety Not vulnerable

linux-fsl-imx51
Launchpad, Ubuntu, Debian
upstream
Released (4.1~rc3)
precise Does not exist

trusty Does not exist

utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-gke
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (4.1~rc3)
xenial Not vulnerable
(4.4.0-1003.3)
yakkety Does not exist

linux-goldfish
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.1~rc3)
utopic Not vulnerable

vivid Not vulnerable

wily Not vulnerable

xenial Not vulnerable

yakkety Not vulnerable

linux-grouper
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.1~rc3)
utopic Not vulnerable

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (4.1~rc3)
xenial Not vulnerable
(4.8.0-36.36~16.04.1)
yakkety Does not exist

linux-hwe-edge
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (4.1~rc3)
xenial Not vulnerable
(4.8.0-36.36~16.04.1)
yakkety Does not exist

linux-linaro-omap
Launchpad, Ubuntu, Debian
upstream
Released (4.1~rc3)
precise Ignored
(end of life)
trusty Does not exist

utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-linaro-shared
Launchpad, Ubuntu, Debian
upstream
Released (4.1~rc3)
yakkety Does not exist

precise Ignored
(end of life)
trusty Does not exist

utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

linux-linaro-vexpress
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.1~rc3)
utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-lts-quantal
Launchpad, Ubuntu, Debian
precise Not vulnerable

trusty Does not exist

upstream
Released (4.1~rc3)
utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
precise Ignored
(end of life, was needs-triage)
trusty Does not exist

upstream
Released (4.1~rc3)
utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-lts-saucy
Launchpad, Ubuntu, Debian
precise Ignored
(end of life, was needed)
trusty Does not exist

upstream
Released (4.1~rc3)
utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
precise
Released (3.13.0-58.97~precise1)
trusty Does not exist

upstream
Released (4.1~rc3)
utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-lts-utopic
Launchpad, Ubuntu, Debian
precise Does not exist

trusty
Released (3.16.0-43.58~14.04.1)
upstream
Released (4.1~rc3)
utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-lts-vivid
Launchpad, Ubuntu, Debian
precise Does not exist

trusty
Released (3.19.0-22.22~14.04.1)
upstream
Released (4.1~rc3)
utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-lts-wily
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist
(trusty was not-affected [4.2.0-18.22~14.04.1])
upstream
Released (4.1~rc3)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Not vulnerable
(4.4.0-13.29~14.04.1)
upstream
Released (4.1~rc3)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-maguro
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.1~rc3)
utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-mako
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.1~rc3)
utopic Not vulnerable

vivid Not vulnerable

wily Not vulnerable

xenial Not vulnerable

yakkety Not vulnerable

linux-manta
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.1~rc3)
utopic Not vulnerable

vivid Not vulnerable

wily Not vulnerable

xenial Does not exist

yakkety Does not exist

linux-mvl-dove
Launchpad, Ubuntu, Debian
upstream
Released (4.1~rc3)
precise Does not exist

trusty Does not exist

utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-qcm-msm
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.1~rc3)
utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (4.1~rc3)
vivid Does not exist

wily Not vulnerable
(4.2.0-1008.12)
xenial Not vulnerable
(4.2.0-1013.19)
yakkety Not vulnerable
(4.4.0-1009.10)
linux-snapdragon
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (4.1~rc3)
wily Does not exist

xenial Not vulnerable
(4.4.0-1012.12)
yakkety Not vulnerable
(4.4.0-1012.12)
linux-ti-omap4
Launchpad, Ubuntu, Debian
upstream
Released (4.1~rc3)
precise Not vulnerable

trusty Does not exist

utopic Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist