drivers/media/video/v4l2-compat-ioctl32.c in the Video4Linux (V4L) implementation in the Linux kernel...
Vulnerability Description
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 Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.ubuntu.com/usn/USN-1000-1
- http://www.securitytracker.com/id?1024710
- http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html
- http://www.vupen.com/english/advisories/2010/3321
- http://www.outflux.net/blog/archives/2010/10/19/cve-2010-2963-v4l-compat-exploit/
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:257
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00004.html
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3e645d6b485446c54c6745c5e2cf5c528fe4deec
- http://www.securityfocus.com/bid/44242
- https://bugzilla.redhat.com/show_bug.cgi?id=642465
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36
- http://secunia.com/advisories/42745
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00008.html
- http://www.debian.org/security/2010/dsa-2126
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