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CVE-2017-14156

Published: 5 September 2017

The atyfb_ioctl function in drivers/video/fbdev/aty/atyfb_base.c in the Linux kernel through 4.12.10 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading locations associated with padding bytes.

From the Ubuntu Security Team

It was discovered that the ATI Radeon framebuffer driver in the Linux kernel did not properly initialize a data structure returned to user space. A local attacker could use this to expose sensitive information (kernel memory).

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
artful
Released (4.13.0-17.20)
trusty
Released (3.13.0-142.191)
xenial
Released (4.4.0-98.121)
zesty Ignored
(end of life, was pending)
bionic Not vulnerable
(4.13.0-17.20)
upstream
Released (4.14~rc1)
Patches:
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 8e75f7a7a00461ef6d91797a60b606367f6e344d
linux-armadaxp
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Not vulnerable
(4.4.0-1002.2)
xenial
Released (4.4.0-1039.48)
zesty Does not exist

bionic Not vulnerable
(4.15.0-1001.1)
upstream
Released (4.14~rc1)
linux-azure
Launchpad, Ubuntu, Debian
artful Does not exist

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

bionic Not vulnerable
(4.15.0-1002.2)
upstream
Released (4.14~rc1)
linux-euclid
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

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

bionic Does not exist

upstream
Released (4.14~rc1)
linux-flo
Launchpad, Ubuntu, Debian
artful Does not exist

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

bionic Does not exist

upstream
Released (4.14~rc1)
linux-gcp
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial
Released (4.13.0-1002.5)
zesty Does not exist

bionic Not vulnerable
(4.15.0-1001.1)
upstream
Released (4.14~rc1)
linux-gke
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial
Released (4.4.0-1033.33)
zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-goldfish
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
xenial Ignored
(end of life, was needed)
zesty Ignored
(end of life)
bionic Does not exist

upstream
Released (4.14~rc1)
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

bionic Does not exist

upstream
Released (4.14~rc1)
linux-hwe
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

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

bionic Not vulnerable

upstream
Released (4.14~rc1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

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

bionic
Released (4.18.0-8.9~18.04.1)
upstream
Released (4.14~rc1)
linux-kvm
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial
Released (4.4.0-1009.14)
zesty Does not exist

bionic Not vulnerable
(4.15.0-1002.2)
upstream
Released (4.14~rc1)
linux-linaro-omap
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-linaro-shared
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-lts-quantal
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
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

bionic Does not exist

upstream
Released (4.14~rc1)
linux-lts-saucy
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
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~rc1)
bionic Does not exist

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

bionic Does not exist

upstream
Released (4.14~rc1)
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

bionic Does not exist

upstream
Released (4.14~rc1)
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

bionic Does not exist

upstream
Released (4.14~rc1)
linux-lts-xenial
Launchpad, Ubuntu, Debian
artful Does not exist

trusty
Released (4.4.0-98.121~14.04.1)
xenial Does not exist

zesty Does not exist

upstream
Released (4.14~rc1)
bionic Does not exist

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

bionic Does not exist

upstream
Released (4.14~rc1)
linux-mako
Launchpad, Ubuntu, Debian
artful Does not exist

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

bionic Does not exist

upstream
Released (4.14~rc1)
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

bionic Does not exist

upstream
Released (4.14~rc1)
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

bionic Not vulnerable
(4.15.0-1002.3)
upstream
Released (4.14~rc1)
linux-qcm-msm
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-raspi2
Launchpad, Ubuntu, Debian
artful
Released (4.13.0-1006.6)
trusty Does not exist

xenial
Released (4.4.0-1076.84)
zesty Ignored
(end of life, was pending)
bionic Not vulnerable
(4.13.0-1006.6)
upstream
Released (4.14~rc1)
linux-snapdragon
Launchpad, Ubuntu, Debian
artful
Released (4.4.0-1078.83)
trusty Does not exist

xenial
Released (4.4.0-1078.83)
zesty
Released (4.4.0-1078.83)
bionic Not vulnerable

upstream
Released (4.14~rc1)
linux-ti-omap4
Launchpad, Ubuntu, Debian
artful Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)

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