CVE-2026-93236 Affecting linux-6.12 package, versions <6.12.111-1~deb12u1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN12-LINUX612-20507345
- published5 Oct 2026
- disclosed24 Sept 2026
Introduced: 24 Sep 2026
NewCVE-2026-93236 (opens in a new tab)How to fix?
Upgrade Debian:12 linux-6.12 to version 6.12.111-1~deb12u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream linux-6.12 package and not the linux-6.12 package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
media: meson: vdec: fix NULL pointer deref in vdec_try_fmt_common
When VIDIOC_TRY_FMT is called with an unsupported pixel format on the OUTPUT queue, vdec_try_fmt_common() falls back to V4L2_PIX_FMT_MPEG2. However, if a distro has locally patched MPEG2 support out (as it has been broken for some time) the platform format table does not contain MPEG2 so find_format() returns NULL and the subsequent dereference of fmt_out->max_width triggers a NULL pointer dereference.
Fix this by falling back to the first format in the platform's format array instead of hardcoding V4L2_PIX_FMT_MPEG2. This is always valid since every platform defines at least one format.
References
- https://security-tracker.debian.org/tracker/CVE-2026-93236
- https://git.kernel.org/stable/c/20aa934ace6917262ff579a73ec018d06a7bad1c
- https://git.kernel.org/stable/c/276f28672bb6d5d5feca78db4219c7b5adf1be26
- https://git.kernel.org/stable/c/3839b6be2279fc4f558723f2c0fbfc9c42070958
- https://git.kernel.org/stable/c/680a89683197cdfe4e03e6fd7755454c647d39c1
- https://git.kernel.org/stable/c/96dafbae77f50bfe2228bcfedcd8652c5e5f08e8
- https://git.kernel.org/stable/c/c620906fb1b2ad75d408ea9d06040d66952d4a31
- https://git.kernel.org/stable/c/d61ba609c3226af3c84268ba606ea06ee63e511b
- https://git.kernel.org/stable/c/f2375a308640e401c142c5426d52c3d10e016d25