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CVE-2017-18202

Published: 27 February 2018

The __oom_reap_task_mm function in mm/oom_kill.c in the Linux kernel before 4.14.4 mishandles gather operations, which allows attackers to cause a denial of service (TLB entry leak or use-after-free) or possibly have unspecified other impact by triggering a copy_to_user call within a certain time window.

Priority

Medium

Cvss 3 Severity Score

7.0

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-10.11)
upstream
Released (4.15~rc2)
cosmic Not vulnerable
(4.15.0-20.21)
trusty Not vulnerable

xenial Not vulnerable

artful Ignored
(end of life)
Patches:
Introduced by

aac453635549699c13a84ea1456d5b0e574ef855

Fixed by 687cb0884a714ff484d038e9190edc874edcf146
linux-armadaxp
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.15~rc2)
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

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

upstream
Released (4.15~rc2)
trusty Does not exist
(trusty was ignored [abandoned])
artful Does not exist

cosmic Does not exist

xenial Not vulnerable

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

upstream
Released (4.15~rc2)
artful Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
xenial Does not exist

linux-aws
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1001.1)
upstream
Released (4.15~rc2)
artful Does not exist

cosmic Not vulnerable
(4.15.0-1007.7)
trusty Not vulnerable

xenial Not vulnerable

linux-azure
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1002.2)
upstream
Released (4.15~rc2)
artful Does not exist

cosmic Not vulnerable
(4.15.0-1009.9)
trusty Not vulnerable
(4.15.0-1023.24~14.04.1)
xenial
Released (4.15.0-1013.13~16.04.2)
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

xenial Not vulnerable
(4.15.0-1002.2)
upstream
Released (4.15~rc2)
linux-euclid
Launchpad, Ubuntu, Debian
bionic Does not exist

artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Not vulnerable

upstream
Released (4.15~rc2)
linux-ti-omap4
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

upstream
Released (4.15~rc2)
linux-linaro-omap
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

upstream
Released (4.15~rc2)
linux-linaro-shared
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

upstream
Released (4.15~rc2)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

artful Does not exist

cosmic Does not exist

bionic Does not exist

upstream
Released (4.15~rc2)
linux-qcm-msm
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

upstream
Released (4.15~rc2)
linux-lts-quantal
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

upstream
Released (4.15~rc2)
This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Does not exist

cosmic Does not exist

bionic Does not exist

upstream
Released (4.15~rc2)
linux-lts-saucy
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

upstream
Released (4.15~rc2)
This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

upstream
Released (4.15~rc2)
linux-maguro
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
xenial Does not exist

cosmic Does not exist

bionic Does not exist

upstream
Released (4.15~rc2)
linux-mako
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
xenial Ignored
(abandoned)
bionic Does not exist

upstream
Released (4.15~rc2)
linux-manta
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
xenial Does not exist

bionic Does not exist

upstream
Released (4.15~rc2)
linux-flo
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
xenial Ignored
(abandoned)
bionic Does not exist

upstream
Released (4.15~rc2)
linux-raspi2
Launchpad, Ubuntu, Debian
cosmic Not vulnerable
(4.15.0-1010.11)
trusty Does not exist

xenial Not vulnerable

artful Ignored
(end of life)
bionic Not vulnerable
(4.15.0-1006.7)
upstream
Released (4.15~rc2)
linux-lts-utopic
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

xenial Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
bionic Does not exist

upstream
Released (4.15~rc2)
linux-lts-vivid
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

xenial Does not exist

trusty Ignored
(end of life, was needs-triage)
bionic Does not exist

upstream
Released (4.15~rc2)
linux-lts-wily
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

xenial Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
bionic Does not exist

upstream
Released (4.15~rc2)
linux-lts-xenial
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Not vulnerable

xenial Does not exist

bionic Does not exist

upstream
Released (4.15~rc2)
linux-snapdragon
Launchpad, Ubuntu, Debian
artful Not vulnerable

trusty Does not exist

xenial Not vulnerable

cosmic Does not exist

bionic Not vulnerable

upstream
Released (4.15~rc2)
linux-hwe
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial
Released (4.15.0-24.26~16.04.1)
bionic Not vulnerable

upstream
Released (4.15~rc2)
linux-hwe-edge
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial
Released (4.15.0-24.26~16.04.1)
artful Does not exist

cosmic Does not exist

bionic Not vulnerable
(4.18.0-8.9~18.04.1)
upstream
Released (4.15~rc2)
linux-gcp
Launchpad, Ubuntu, Debian
trusty Does not exist

artful Does not exist

cosmic Not vulnerable
(4.15.0-1006.6)
xenial
Released (4.15.0-1014.14~16.04.1)
bionic Not vulnerable
(4.15.0-1001.1)
upstream
Released (4.15~rc2)
linux-gke
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Not vulnerable

bionic Does not exist

upstream
Released (4.15~rc2)
linux-kvm
Launchpad, Ubuntu, Debian
artful Does not exist

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

xenial Not vulnerable

bionic Not vulnerable
(4.15.0-1002.2)
upstream
Released (4.15~rc2)
linux-oem
Launchpad, Ubuntu, Debian
artful Does not exist

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

xenial Ignored
(end of standard support, was needed)
bionic Not vulnerable
(4.15.0-1002.3)
upstream
Released (4.15~rc2)

Severity score breakdown

Parameter Value
Base score 7.0
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H