Information disclosure in Linux kernel - CVE-2010-2803
Published: September 8, 2010 / Updated: August 26, 2020
Vulnerability details
The vulnerability allows a local user to gain access to sensitive information.
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.
Affected software
Ubuntu
linux-source-2.6.15 (Ubuntu package)
linux (Ubuntu package)
How to mitigate CVE-2010-2803
linux-source-2.6.15 (Ubuntu package) - update to 2.6.15-55.87
linux (Ubuntu package) - addressed in versions 2.6.24-28.75, 2.6.28-19.64, 2.6.31-22.63, 2.6.32-24.41
External References
- http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=commit;h=1b2f1489633888d4a06028315dc...
- http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=commit;h=b9f0aee83335db1f3915f4e42a5...
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b9f0aee83335db1f3915f4e4...
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- http://secunia.com/advisories/41512
- http://www.debian.org/security/2010/dsa-2094
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.53
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.21
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34.6
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35.4
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
- http://www.redhat.com/support/errata/RHSA-2010-0842.html
- http://www.vupen.com/english/advisories/2010/2430
- http://www.vupen.com/english/advisories/2011/0298
- https://bugzilla.redhat.com/show_bug.cgi?id=621435