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CVE-2017-14954

Published: 1 October 2017

The waitid implementation in kernel/exit.c in the Linux kernel through 4.13.4 accesses rusage data structures in unintended cases, which allows local users to obtain sensitive information, and bypass the KASLR protection mechanism, via a crafted system call.

From the Ubuntu Security Team

Alexander Potapenko discovered an information leak in the waitid implementation of the Linux kernel. A local attacker could use this to expose sensitive information (kernel memory).

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
linux-armadaxp
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

upstream
Released (4.14~rc3)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Not vulnerable

xenial Not vulnerable

zesty Does not exist

upstream
Released (4.14~rc3)
linux-azure
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Not vulnerable
(4.15.0-1023.24~14.04.1)
xenial Not vulnerable
(4.13.0-1005.7)
zesty Does not exist

upstream
Released (4.14~rc3)
linux-euclid
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Not vulnerable

zesty Does not exist

upstream
Released (4.14~rc3)
linux-flo
Launchpad, Ubuntu, Debian
artful Does not exist

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

upstream
Released (4.14~rc3)
linux-gcp
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Not vulnerable
(4.13.0-1002.5)
zesty Does not exist

upstream
Released (4.14~rc3)
linux-gke
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Not vulnerable

zesty Does not exist

upstream
Released (4.14~rc3)
linux-goldfish
Launchpad, Ubuntu, Debian
artful Does not exist

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

zesty Not vulnerable

upstream
Released (4.14~rc3)
linux-grouper
Launchpad, Ubuntu, Debian
artful Does not exist

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

zesty Does not exist

upstream
Released (4.14~rc3)
linux-hwe
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Not vulnerable
(4.13.0-26.29~16.04.2)
zesty Does not exist

upstream
Released (4.14~rc3)
linux-hwe-edge
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Not vulnerable
(4.13.0-26.29~16.04.2)
zesty Does not exist

upstream
Released (4.14~rc3)
linux-kvm
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Not vulnerable

zesty Does not exist

upstream
Released (4.14~rc3)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
artful Does not exist

upstream
Released (4.14~rc3)
trusty Does not exist

xenial Does not exist

zesty Does not exist

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

trusty Does not exist

xenial Does not exist

zesty Does not exist

upstream
Released (4.14~rc3)
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

zesty Does not exist

upstream
Released (4.14~rc3)
linux-lts-saucy
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

upstream
Released (4.14~rc3)
This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

upstream
Released (4.14~rc3)
linux-lts-utopic
Launchpad, Ubuntu, Debian
artful Does not exist

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

zesty Does not exist

upstream
Released (4.14~rc3)
linux-lts-vivid
Launchpad, Ubuntu, Debian
artful Does not exist

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

zesty Does not exist

upstream
Released (4.14~rc3)
linux-lts-wily
Launchpad, Ubuntu, Debian
artful Does not exist

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

zesty Does not exist

upstream
Released (4.14~rc3)
linux-lts-xenial
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Not vulnerable

xenial Does not exist

zesty Does not exist

upstream
Released (4.14~rc3)
linux-maguro
Launchpad, Ubuntu, Debian
artful Does not exist

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

zesty Does not exist

upstream
Released (4.14~rc3)
linux-mako
Launchpad, Ubuntu, Debian
artful Does not exist

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

upstream
Released (4.14~rc3)
linux-manta
Launchpad, Ubuntu, Debian
artful Does not exist

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

zesty Does not exist

upstream
Released (4.14~rc3)
linux-oem
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Not vulnerable
(4.13.0-1008.9)
zesty Does not exist

upstream
Released (4.14~rc3)
linux-qcm-msm
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

upstream
Released (4.14~rc3)
linux-raspi2
Launchpad, Ubuntu, Debian
artful
Released (4.13.0-1006.6)
trusty Does not exist

xenial Not vulnerable

zesty Not vulnerable

upstream
Released (4.14~rc3)
linux-snapdragon
Launchpad, Ubuntu, Debian
artful Not vulnerable

trusty Does not exist

xenial Not vulnerable

zesty Not vulnerable

upstream
Released (4.14~rc3)
linux
Launchpad, Ubuntu, Debian
upstream
Released (4.14~rc3)
artful
Released (4.13.0-17.20)
trusty Not vulnerable

xenial Not vulnerable

zesty Not vulnerable

Patches:
Introduced by

ce72a16fa705f960ca2352e95a7c5f4801475e75

Fixed by 6c85501f2fabcfc4fc6ed976543d252c4eaf4be9
linux-ti-omap4
Launchpad, Ubuntu, Debian
upstream
Released (4.14~rc3)
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

linux-linaro-omap
Launchpad, Ubuntu, Debian
upstream
Released (4.14~rc3)
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

linux-linaro-shared
Launchpad, Ubuntu, Debian
upstream
Released (4.14~rc3)
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N