What’s Vulnerable › Vulnerabilities

CVE-2010-2963

• Severity: medium (CVSS 6.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2010-11-26 · updated 2026-06-16
• Weakness: CWE-20

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.

Affected products

• Canonical Ubuntu Linux: 6.06, 8.04, 9.04, 9.10, 10.04, 10.10
• Debian Linux: 5.0
• Fedoraproject Fedora: 13
• Linux kernel: before 2.6.36 — fixed in 2.6.36
• Opensuse: 11.2, 11.3
• SUSE Linux Enterprise Server 15 SP1: 11-sp1
• SUSE Linux Enterprise Server: 11-sp1

How to fix

Upgrade to a fixed version: Linux kernel 2.6.36. Check the vendor advisory for mitigations.

References

• 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.html
• http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00008.html
• http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00004.html
• http://secunia.com/advisories/42745
• http://www.debian.org/security/2010/dsa-2126
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36
• http://www.mandriva.com/security/advisories?name=MDVSA-2010:257
• http://www.outflux.net/blog/archives/2010/10/19/cve-2010-2963-v4l-compat-exploit/
• http://www.securityfocus.com/bid/44242
• http://www.securitytracker.com/id?1024710
• http://www.ubuntu.com/usn/USN-1000-1

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