Description
drivers/media/v4l2-core/videobuf2-v4l2.c in the Linux kernel before 4.5.3 allows local users to cause a denial of service (kernel memory write operation) or possibly have unspecified other impact via a crafted number of planes in a VIDIOC_DQBUF ioctl call.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 4.5.3-1 | — |
| Debian 13 | linux | 4.5.3-1 | — |
| Debian 12 | linux | 4.5.3-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | linux | 4.4.0-57.78 | USN-3161-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1038.45 | USN-3161-3 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1042.46 | USN-3161-4 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-57.78~14.04.1 | USN-3161-2 |
Advisories 4
- USN-3161-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3161-2 linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3161-3 linux-raspi2 vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3161-4 linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
References
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3
- [oss-security] 20160507 CVE Request: Linux: [media] videobuf2-v4l2: Verify planes array in buffer dequeueing mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=1334316
- https://github.com/torvalds/linux/commit/2c1f6951a8a82e6de0d82b1158b5e493fc6c54ab
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2c1f6951a8a82e6de0d82b1158b5e493fc6c54ab