CVE-2010-2963
MEDIUM severity · CVSS 6.2 · Improper input validation
6.2CVSS MEDIUM
Summary
drivers/media/video/v4l2-compat-ioctl32.c in the Video4Linux (V4L) implementation in the Linux kernel before 2.6.36 on 64-bit platforms does not validate the destination of a memory copy operation, which allows local users to write to arbitrary kernel memory locations, and consequently gain privileges, via a VIDIOCSTUNER ioctl call on a /dev/video device, followed by a VIDIOCSMICROCODE ioctl call on this device.
Impact & exploitability
Attack vectorLocal
Attack complexityHigh
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)1%
AV:L/AC:H/Au:N/C:C/I:C/A:C
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3e645d6b485446c54c6745c5e2cf5c528fe4deec
- http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00008.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00004.htmlAdvisory
- http://secunia.com/advisories/42745Advisory
- http://www.debian.org/security/2010/dsa-2126Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:257Advisory