Division by zero in Linux kernel - CVE-2026-97578
Published: September 28, 2026
Vulnerability identifier: #VU152631
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97578
CWE-ID: CWE-369
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to compromise confidentiality, integrity, and availability.
The vulnerability exists due to division by zero in rockchip_vpu981_av1_dec_set_tile_info() when processing AV1 tile information. A local user can provide an AV1 bitstream with zero tile columns to compromise confidentiality, integrity, and availability.
Affected software
Linux kernel
How to mitigate CVE-2026-97578
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3