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CVE-2011-2909

Published: 6 October 2011

The do_devinfo_ioctl function in drivers/staging/comedi/comedi_fops.c in the Linux kernel before 3.1 allows local users to obtain sensitive information from kernel memory via a copy of a short string.

From the Ubuntu Security Team

Vasiliy Kulikov discovered that the Comedi driver did not correctly clear memory. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy.

Priority

Low

Status

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

lucid
Released (2.6.32-34.73)
maverick
Released (2.6.35-30.61)
natty
Released (2.6.38-13.52)
oneiric Not vulnerable
(3.0.0-8.10)
upstream
Released (3.1~rc1)
Patches:
Introduced by

ed9eccbe8970f6eedc1b978c157caf1251a896d4

Fixed by 819cbb120eaec7e014e5abd029260db1ca8c5735
linux-ec2
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.32-318.37)
maverick Ignored
(end of life)
natty Does not exist

oneiric Does not exist

upstream
Released (3.1~rc1)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.31-611.29)
maverick Does not exist

natty Does not exist

oneiric Does not exist

upstream
Released (3.1~rc1)
linux-lts-backport-maverick
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.35-30.61~lucid1)
maverick Does not exist

natty Does not exist

oneiric Does not exist

upstream
Released (3.1~rc1)
linux-lts-backport-natty
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.38-13.52~lucid1)
maverick Does not exist

natty Does not exist

oneiric Does not exist

upstream
Released (3.1~rc1)
linux-lts-backport-oneiric
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable

maverick Does not exist

natty Does not exist

oneiric Does not exist

upstream
Released (3.1~rc1)
linux-mvl-dove
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.32-218.35)
maverick
Released (2.6.32-418.35)
natty Does not exist

oneiric Does not exist

upstream
Released (3.1~rc1)
linux-ti-omap4
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Does not exist

maverick
Released (2.6.35-903.26)
natty
Released (2.6.38-1209.17)
oneiric Not vulnerable
(3.0.0-1201.4)
upstream
Released (3.1~rc1)