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CVE-2018-6927

Published: 12 February 2018

The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might allow attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact by triggering a negative wake or requeue value.

From the Ubuntu Security Team

It was discovered that an integer overflow error existed in the futex implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash).

Priority

Medium

CVSS 3 base score: 7.8

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
artful
Released (4.13.0-46.51)
bionic Not vulnerable
(4.15.0-10.11)
precise Ignored
(was needed ESM criteria)
trusty
Released (3.13.0-153.203)
upstream
Released (4.15~rc9)
xenial
Released (4.4.0-119.143)
Patches:
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4a
linux-armadaxp
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial Does not exist

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

bionic Not vulnerable
(4.15.0-1001.1)
precise Does not exist

trusty
Released (4.4.0-1016.16)
upstream
Released (4.15~rc9)
xenial
Released (4.4.0-1054.63)
linux-azure
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1002.2)
precise Does not exist

trusty Not vulnerable
(4.15.0-1023.24~14.04.1)
upstream
Released (4.15~rc9)
xenial
Released (4.15.0-1013.13~16.04.2)
linux-euclid
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial Ignored
(was needed ESM criteria)
linux-flo
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15~rc9)
xenial Ignored
(abandoned)
linux-gcp
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1001.1)
precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial
Released (4.15.0-1014.14~16.04.1)
linux-gke
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial Ignored
(was needed now end-of-life)
linux-goldfish
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15~rc9)
xenial Ignored
(was needed now end-of-life)
linux-grouper
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15~rc9)
xenial Does not exist

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

bionic Not vulnerable

precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial
Released (4.15.0-24.26~16.04.1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
artful Does not exist

bionic
Released (4.18.0-8.9~18.04.1)
precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial
Released (4.15.0-24.26~16.04.1)
linux-kvm
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1002.2)
precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial
Released (4.4.0-1020.25)
linux-linaro-omap
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial Does not exist

linux-linaro-shared
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial Does not exist

linux-linaro-vexpress
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial Does not exist

linux-lts-quantal
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Ignored
(end-of-life)
trusty Does not exist

upstream
Released (4.15~rc9)
xenial Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Ignored
(end-of-life)
trusty Does not exist

upstream
Released (4.15~rc9)
xenial Does not exist

linux-lts-saucy
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Ignored
(end-of-life)
trusty Does not exist

upstream
Released (4.15~rc9)
xenial Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise
Released (3.13.0-153.203~precise1)
trusty Does not exist

upstream
Released (4.15~rc9)
xenial Does not exist

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

bionic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [out of standard support])
upstream
Released (4.15~rc9)
xenial Does not exist

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

bionic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [was needs-triage now end-of-life])
upstream
Released (4.15~rc9)
xenial Does not exist

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

bionic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [out of standard support])
upstream
Released (4.15~rc9)
xenial Does not exist

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

bionic Does not exist

precise Does not exist

trusty
Released (4.4.0-119.143~14.04.1)
upstream
Released (4.15~rc9)
xenial Does not exist

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

bionic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15~rc9)
xenial Does not exist

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

bionic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15~rc9)
xenial Ignored
(abandoned)
linux-manta
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.15~rc9)
xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1002.3)
precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial
Released (4.13.0-1031.35)
linux-qcm-msm
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
artful
Released (4.13.0-1023.24)
bionic Not vulnerable
(4.15.0-1006.7)
precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial
Released (4.4.0-1086.94)
linux-snapdragon
Launchpad, Ubuntu, Debian
artful
Released (4.4.0-1088.93)
bionic Not vulnerable

precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial
Released (4.4.0-1088.93)
linux-ti-omap4
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.15~rc9)
xenial Does not exist