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CVE-2011-1021

Published: 21 June 2012

drivers/acpi/debugfs.c in the Linux kernel before 3.0 allows local users to modify arbitrary kernel memory locations by leveraging root privileges to write to the /sys/kernel/debug/acpi/custom_method file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4347.

Notes

AuthorNote
apw
note that CONFIG_ACPI_DEBUG must be off before the fixing commit and
CONFIG_ACPI_CUSTOM_METHOD must be off after it.  Confirmed off in
all cases, and CONFIG_ACPI_CUSTOM_METHOD is enforced off.

Priority

Medium

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
hardy Not vulnerable

lucid Not vulnerable

maverick Not vulnerable

natty Not vulnerable

precise Not vulnerable
(3.1.0-1.1)
quantal Not vulnerable

saucy Not vulnerable

trusty Not vulnerable
(3.11.0-12.19)
upstream
Released (3.0~rc1)
Patches:
Introduced by

a1a541d86f50a9957beeedb122a035870d602647

Fixed by 526b4af47f44148c9d665e57723ed9f86634c6e3
linux-ec2
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable

maverick Ignored
(end of life)
natty Does not exist

precise Does not exist

quantal Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (3.0~rc1)
linux-flo
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Does not exist

trusty Does not exist
(trusty was not-affected [3.4.0-1.3])
upstream
Released (3.0~rc1)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable

maverick Does not exist

natty Does not exist

precise Does not exist

quantal Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (3.0~rc1)
linux-goldfish
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Ignored

trusty Does not exist
(trusty was not-affected [3.4.0-1.7])
upstream
Released (3.0~rc1)
linux-grouper
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Ignored

trusty Does not exist
(trusty was not-affected [3.1.10-8.28])
upstream
Released (3.0~rc1)
linux-lts-backport-maverick
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable

maverick Does not exist

natty Does not exist

precise Does not exist

quantal Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (3.0~rc1)
linux-lts-backport-natty
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable

maverick Does not exist

natty Does not exist

precise Does not exist

quantal Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (3.0~rc1)
linux-maguro
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Ignored

trusty Does not exist
(trusty was not-affected [3.0.0-3.18])
upstream
Released (3.0~rc1)
linux-mako
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Ignored

trusty Does not exist
(trusty was not-affected [3.4.0-3.21])
upstream
Released (3.0~rc1)
linux-manta
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Ignored

trusty Does not exist
(trusty was not-affected [3.4.0-4.19])
upstream
Released (3.0~rc1)
linux-mvl-dove
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable

maverick Not vulnerable

natty Does not exist

precise Does not exist

quantal Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (3.0~rc1)
linux-ti-omap4
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Does not exist

maverick Not vulnerable

natty Not vulnerable

precise Not vulnerable
(3.0.0-1401.2)
quantal Not vulnerable

saucy Not vulnerable

trusty Does not exist

upstream
Released (3.0~rc1)