Out-of-bounds write in Linux kernel - CVE-2026-43222
Published: May 7, 2026
Vulnerability identifier: #VU130520
CSH Severity: Low
CVSSv4.0: 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
CVE-ID: CVE-2026-43222
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to an out-of-bounds write in the AV1 tile info buffer when processing AV1 tile information. A local user can trigger processing of crafted AV1 content to cause a denial of service.
Remediation
Install security update from vendor's repository.
External links
- https://git.kernel.org/stable/c/34f36f9c6114af781a5a4f7a7c99334c85b73fc7
- https://git.kernel.org/stable/c/74abfadd7ef5ac9f3a6111d550cc651d1457c641
- https://git.kernel.org/stable/c/a505ca2db89ad92a8d8d27fa68ebafb12e04a679
- https://git.kernel.org/stable/c/a5b1ddbe31f49b4da78642157589970e9b60a231
- https://git.kernel.org/stable/c/f122f2b3ce9dbde60bf7ab0b180fe4a01f9d9bc4