SB20260626132 - Memory leak in Linux kernel drm vc4 driver
Published: June 26, 2026
Security Bulletin ID
SB20260626132
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory leak (CVE-ID: CVE-2026-53213)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper handling of memory allocation failure in vc4 shader validation when processing crafted shader data. A local user can trigger a failed memory reallocation to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/02f5e4db57c0cdd7bac89d503b301a093a0fa95c
- https://git.kernel.org/stable/c/30165a09f76eaf34951c818eb5d9d6e4771d76f6
- https://git.kernel.org/stable/c/4fc692dc6df5bc777cc1bcebf95179e28594875f
- https://git.kernel.org/stable/c/5d563a5da8717629ae72f9eadf1e0e340bd1658b
- https://git.kernel.org/stable/c/c034aa0b1ba5f49cbdf8ef193d6ec714d74aac27
- https://git.kernel.org/stable/c/e0ce103e89d61eef70edc1d1ae3bfd4c0aacbc2e
- https://git.kernel.org/stable/c/fd87d6966041e33ef7d2e5dc59f9a52b71c6ae5f