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CVE-2017-6345

Published: 1 March 2017

The LLC subsystem in the Linux kernel before 4.9.13 does not ensure that a certain destructor exists in required circumstances, which allows local users to cause a denial of service (BUG_ON) or possibly have unspecified other impact via crafted system calls.

From the Ubuntu Security Team

Andrey Konovalov discovered that the LLC subsytem in the Linux kernel did not properly set up a destructor in certain situations. A local attacker could use this to cause a denial of service (system crash).

Priority

Low

Cvss 3 Severity Score

7.8

Score breakdown

Status

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

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Not vulnerable

trusty Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1001.1)
upstream
Released (4.10)
artful Does not exist

cosmic Not vulnerable
(4.15.0-1007.7)
precise Does not exist

trusty Not vulnerable
(4.4.0-1002.2)
xenial
Released (4.4.0-1016.25)
yakkety Does not exist

zesty Does not exist

linux-azure
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1002.2)
upstream
Released (4.10)
artful Does not exist

cosmic Not vulnerable
(4.15.0-1009.9)
trusty Not vulnerable
(4.15.0-1023.24~14.04.1)
xenial Not vulnerable
(4.11.0-1009.9)
yakkety Does not exist

zesty Does not exist

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

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored)
xenial Not vulnerable

yakkety Not vulnerable

zesty Does not exist

linux-gcp
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1001.1)
upstream
Released (4.10)
artful Does not exist

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

xenial Not vulnerable
(4.10.0-1004.4)
yakkety Does not exist

zesty Does not exist

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

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

xenial
Released (4.4.0-1012.12)
yakkety Does not exist

zesty Does not exist

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

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored)
xenial Not vulnerable

yakkety Not vulnerable

zesty Not vulnerable

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

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic Not vulnerable

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

xenial
Released (4.10.0-27.30~16.04.2)
yakkety Does not exist

zesty Does not exist

linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.18.0-8.9~18.04.1)
upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

xenial
Released (4.10.0-27.30~16.04.2)
yakkety Does not exist

zesty Does not exist

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

artful Does not exist

cosmic Does not exist

precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.10)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

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

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Ignored
(end of life)
trusty Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

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

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Ignored
(end of life)
trusty Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

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

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Ignored
(end of life)
trusty Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

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

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Ignored
(end of life)
trusty Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

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

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Does not exist

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

yakkety Does not exist

zesty Does not exist

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

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Ignored
(end of life, was needed)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

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

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Does not exist

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

yakkety Does not exist

zesty Does not exist

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

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty
Released (4.4.0-75.96~14.04.1)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

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

artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.10)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.18.0-1003.3~18.04.1)
upstream
Released (4.10)
cosmic Does not exist

trusty Does not exist

xenial Not vulnerable
(4.15.0-1002.2)
linux-euclid
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10)
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Ignored
(was needed ESM criteria)
zesty Does not exist

linux-kvm
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1002.2)
upstream
Released (4.10)
artful Does not exist

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

xenial Not vulnerable
(4.4.0-1004.9)
zesty Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1002.3)
upstream
Released (4.10)
artful Does not exist

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

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

linux
Launchpad, Ubuntu, Debian
artful Not vulnerable
(4.10.0-19.21)
bionic Not vulnerable
(4.13.0-16.19)
cosmic Not vulnerable
(4.15.0-20.21)
precise Not vulnerable

trusty
Released (3.13.0-157.207)
upstream
Released (4.10)
xenial
Released (4.4.0-75.96)
yakkety Ignored
(end of life)
zesty Not vulnerable
(4.10.0-9.11)
Patches:
Introduced by

376c7311bdb6efea3322310333576a04d73fbe4c

Fixed by 8b74d439e1697110c5e5c600643e823eb1dd0762
linux-linaro-omap
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.10)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

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

bionic Does not exist

cosmic Does not exist

precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.10)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

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

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.10)
xenial Not vulnerable

yakkety Not vulnerable

zesty Does not exist

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

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.10)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-qcm-msm
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.10)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
artful Not vulnerable
(4.10.0-1004.6)
bionic Not vulnerable
(4.13.0-1005.5)
cosmic Not vulnerable
(4.15.0-1010.11)
precise Does not exist

trusty Does not exist

upstream
Released (4.10)
xenial
Released (4.4.0-1054.61)
yakkety Ignored
(end of life)
zesty Not vulnerable
(4.10.0-1001.3)
linux-snapdragon
Launchpad, Ubuntu, Debian
artful Not vulnerable
(4.4.0-1057.61)
bionic Not vulnerable

cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.10)
xenial
Released (4.4.0-1057.61)
yakkety
Released (4.4.0-1057.61)
zesty
Released (4.4.0-1057.61)
linux-ti-omap4
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Not vulnerable

trusty Does not exist

upstream
Released (4.10)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H