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CVE-2010-2803

Published: 19 August 2010

The drm_ioctl function in drivers/gpu/drm/drm_drv.c in the Direct Rendering Manager (DRM) subsystem in the Linux kernel before 2.6.27.53, 2.6.32.x before 2.6.32.21, 2.6.34.x before 2.6.34.6, and 2.6.35.x before 2.6.35.4 allows local users to obtain potentially sensitive information from kernel memory by requesting a large memory-allocation amount.

From the Ubuntu Security Team

Kees Cook discovered that under certain situations the ioctl subsystem for DRM did not properly sanitize its arguments. A local attacker could exploit this to read previously freed kernel memory, leading to a loss of privacy.

Notes

AuthorNote
smb
No DRM for Hardy and Dapper.

Priority

Medium

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Not vulnerable

jaunty
Released (2.6.28-19.64)
karmic
Released (2.6.31-22.63)
lucid
Released (2.6.32-24.41)
maverick
Released (2.6.35-18.24)
upstream
Released (2.6.35.3)
Patches:
jaunty: http://chinstrap.ubuntu.com/~smb/CVEs/CVE-2010-2803/patches/jaunty/linux/0001-drm-Initialize-ioctl-struct-when-no-user-data-is-prese.txt
karmic: http://chinstrap.ubuntu.com/~smb/CVEs/CVE-2010-2803/patches/karmic/linux/0001-drm-Initialize-ioctl-struct-when-no-user-data-is-prese.txt
lucid: http://chinstrap.ubuntu.com/~smb/CVEs/CVE-2010-2803/patches/lucid/linux/0001-drm-Initialize-ioctl-struct-when-no-user-data-is-prese.txt
linux-ec2
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

karmic
Released (2.6.31-307.17)
lucid
Released (2.6.32-308.15)
maverick Ignored
(end of life)
upstream Needs triage

linux-fsl-imx51
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

karmic
Released (2.6.31-112.30)
lucid
Released (2.6.31-608.19)
maverick Does not exist

upstream Needs triage

linux-mvl-dove
Launchpad, Ubuntu, Debian
dapper Does not exist

hardy Does not exist

karmic
Released (2.6.31-214.30)
lucid
Released (2.6.32-208.24)
maverick Not vulnerable

upstream Needs triage

linux-source-2.6.15
Launchpad, Ubuntu, Debian
dapper Not vulnerable

hardy Does not exist

jaunty Does not exist

karmic Does not exist

lucid Does not exist

maverick Does not exist

upstream Not vulnerable