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CVE-2018-10675

Published: 2 May 2018

The do_get_mempolicy function in mm/mempolicy.c in the Linux kernel before 4.12.9 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted system calls.

From the Ubuntu Security Team

Zhong Jiang discovered that a use-after-free vulnerability existed in the NUMA memory policy implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
artful Not vulnerable
(4.12.0-13.14)
bionic Not vulnerable
(4.13.0-16.19)
cosmic Not vulnerable
(4.15.0-20.21)
trusty
Released (3.13.0-157.207)
upstream
Released (4.13~rc6)
xenial
Released (4.4.0-97.120)
Patches:
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 73223e4e2e3867ebf033a5a8eb2e5df0158ccc99
linux-aws
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1001.1)
cosmic Not vulnerable
(4.15.0-1007.7)
trusty Not vulnerable
(4.4.0-1002.2)
upstream
Released (4.13~rc6)
xenial
Released (4.4.0-1038.47)
linux-azure
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1002.2)
cosmic Not vulnerable
(4.15.0-1009.9)
trusty Not vulnerable
(4.15.0-1023.24~14.04.1)
upstream
Released (4.13~rc6)
xenial
Released (4.13.0-1005.7)
linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.18.0-1003.3~18.04.1)
cosmic Does not exist

trusty Does not exist

upstream
Released (4.13~rc6)
xenial Not vulnerable
(4.15.0-1002.2)
linux-euclid
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

trusty Does not exist

upstream
Released (4.13~rc6)
xenial Ignored
(was needed ESM criteria)
linux-flo
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.13~rc6)
xenial Ignored
(abandoned)
linux-gcp
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1001.1)
cosmic Not vulnerable
(4.15.0-1006.6)
trusty Does not exist

upstream
Released (4.13~rc6)
xenial
Released (4.13.0-1002.5)
linux-gke
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

trusty Does not exist

upstream
Released (4.13~rc6)
xenial Ignored
(end of standard support, was needs-triage)
linux-goldfish
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.13~rc6)
xenial Ignored
(end of life, was needs-triage)
linux-grouper
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.13~rc6)
xenial Does not exist

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

bionic Not vulnerable

cosmic Does not exist

trusty Does not exist

upstream
Released (4.13~rc6)
xenial
Released (4.13.0-26.29~16.04.2)
linux-hwe-edge
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.18.0-8.9~18.04.1)
cosmic Does not exist

trusty Does not exist

upstream
Released (4.13~rc6)
xenial
Released (4.13.0-26.29~16.04.2)
linux-kvm
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1002.2)
cosmic Not vulnerable
(4.15.0-1008.8)
trusty Does not exist

upstream
Released (4.13~rc6)
xenial
Released (4.4.0-1008.13)
linux-lts-trusty
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

trusty Does not exist

upstream
Released (4.13~rc6)
xenial Does not exist

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

bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
upstream
Released (4.13~rc6)
xenial Does not exist

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

bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
upstream
Released (4.13~rc6)
xenial Does not exist

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

bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
upstream
Released (4.13~rc6)
xenial Does not exist

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

bionic Does not exist

cosmic Does not exist

trusty
Released (4.4.0-97.120~14.04.1)
upstream
Released (4.13~rc6)
xenial Does not exist

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

bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.13~rc6)
xenial Does not exist

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

bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.13~rc6)
xenial Ignored
(abandoned)
linux-manta
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.13~rc6)
xenial Does not exist

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

bionic Not vulnerable
(4.15.0-1002.3)
cosmic Not vulnerable
(4.15.0-1004.5)
trusty Does not exist

upstream
Released (4.13~rc6)
xenial Not vulnerable
(4.13.0-1008.9)
linux-raspi2
Launchpad, Ubuntu, Debian
artful Not vulnerable
(4.13.0-1004.4)
bionic Not vulnerable
(4.13.0-1005.5)
cosmic Not vulnerable
(4.15.0-1010.11)
trusty Does not exist

upstream
Released (4.13~rc6)
xenial
Released (4.4.0-1075.83)
linux-snapdragon
Launchpad, Ubuntu, Debian
artful Not vulnerable
(4.4.0-1077.82)
bionic Not vulnerable

cosmic Does not exist

trusty Does not exist

upstream
Released (4.13~rc6)
xenial
Released (4.4.0-1077.82)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H