CVE-2026-68229
kernel: media: cedrus: skip invalid H.264 reference list entries
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 10, 2026
Updated · October 30, 2026
Description
A flaw was found in the Linux kernel's Cedrus media driver. This vulnerability allows an attacker to cause an out-of-bounds read by providing specially crafted H.264 video streams with invalid reference list entries. This could lead to system instability or potentially information disclosure.
Statement
This issue affects Allwinner Cedrus H.264 decoder. Invalid reference list indices not skipped before DPB lookup. Systems without Cedrus VPU are not affected.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-125 · Out-of-bounds Read