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CVE-2017-12146

Published: 8 September 2017

The driver_override implementation in drivers/base/platform.c in the Linux kernel before 4.12.1 allows local users to gain privileges by leveraging a race condition between a read operation and a store operation that involve different overrides.

From the Ubuntu Security Team

Yonggang Guo discovered that a race condition existed in the driver subsystem in the Linux kernel. A local attacker could use this to possibly gain administrative privileges.

Priority

Medium

Cvss 3 Severity Score

7.0

Score breakdown

Status

Package Release Status
linux-lts-utopic
Launchpad, Ubuntu, Debian
trusty Does not exist
(trusty was ignored [end of standard support])
artful Does not exist

upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

linux-lts-vivid
Launchpad, Ubuntu, Debian
trusty Ignored
(end of life, was needs-triage)
artful Does not exist

upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

linux-lts-wily
Launchpad, Ubuntu, Debian
trusty Does not exist
(trusty was ignored [end of standard support])
artful Does not exist

upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

linux
Launchpad, Ubuntu, Debian
upstream
Released (4.13~rc1)
trusty Not vulnerable

xenial
Released (4.4.0-93.116)
artful Not vulnerable
(4.11.0-13.19)
zesty
Released (4.10.0-42.46)
Patches:
Introduced by

3d713e0e382e6fcfb4bba1501645b66c129ad60b

Fixed by 6265539776a0810b7ce6398c27866ddb9c6bd154
linux-armadaxp
Launchpad, Ubuntu, Debian
trusty Does not exist

artful Does not exist

upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

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

zesty Does not exist

trusty Does not exist

upstream
Released (4.13~rc1)
xenial Does not exist

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

zesty Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.13~rc1)
xenial Ignored
(abandoned)
linux-euclid
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.13~rc1)
xenial Ignored
(was needed ESM criteria)
zesty Does not exist

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

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

trusty Does not exist

upstream
Released (4.13~rc1)
linux-aws
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Not vulnerable
(4.4.0-1002.2)
upstream
Released (4.13~rc1)
xenial
Released (4.4.0-1032.41)
zesty Does not exist

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

trusty Not vulnerable
(4.15.0-1023.24~14.04.1)
upstream
Released (4.13~rc1)
xenial Not vulnerable
(4.11.0-1009.9)
zesty Does not exist

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

trusty Does not exist

upstream
Released (4.13~rc1)
xenial
Released (4.13.0-1002.5)
zesty Does not exist

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

trusty Does not exist

upstream
Released (4.13~rc1)
xenial
Released (4.4.0-1028.28)
zesty Does not exist

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

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.13~rc1)
xenial Not vulnerable

zesty Not vulnerable

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

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

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

trusty Does not exist

upstream
Released (4.13~rc1)
xenial
Released (4.10.0-42.46~16.04.1)
zesty Does not exist

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

trusty Does not exist

upstream
Released (4.13~rc1)
xenial
Released (4.10.0-42.46~16.04.1)
zesty Does not exist

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

trusty Does not exist

upstream
Released (4.13~rc1)
xenial
Released (4.4.0-1007.12)
zesty Does not exist

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

trusty Does not exist

upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

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

trusty Does not exist

upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

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

trusty Does not exist

upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

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

upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

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

trusty Does not exist

upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

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

upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

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

trusty
Released (4.4.0-93.116~14.04.1)
upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

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

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

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

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.13~rc1)
xenial Ignored
(abandoned)
zesty Does not exist

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

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

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

trusty Does not exist

upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
artful Not vulnerable
(4.13.0-1004.4)
trusty Does not exist

upstream
Released (4.13~rc1)
xenial
Released (4.4.0-1071.79)
zesty
Released (4.10.0-1023.26)
linux-snapdragon
Launchpad, Ubuntu, Debian
artful Not vulnerable
(4.4.0-1073.78)
trusty Does not exist

upstream
Released (4.13~rc1)
xenial
Released (4.4.0-1073.78)
zesty
Released (4.4.0-1073.78)
linux-ti-omap4
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

upstream
Released (4.13~rc1)
xenial Does not exist

zesty Does not exist

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