SB20260812432 - Division by zero in Linux kernel amd amdgpu driver
Published: August 12, 2026
Security Bulletin ID
SB20260812432
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) Division by zero (CVE-ID: CVE-2026-68106)
CWE-ID: CWE-369 - Divide By Zero
CVSSv4: 6.8 [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]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to division by zero in the amdgpu UVD H264 and H264 Perf decode paths when processing crafted frame dimensions with a width or height less than 16. A local user can submit crafted decoding parameters to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0c01c811be47e6b146552dd59bfedbea8f09b8f4
- https://git.kernel.org/stable/c/52f9a588296432accf2982f7d258192a37562f4f
- https://git.kernel.org/stable/c/a00946b5ab7c25da5685ca9c58f50ff6f43c0fdf
- https://git.kernel.org/stable/c/be725ab23aa45c11a5afef3e2a9f6d8c084ae5dc
- https://git.kernel.org/stable/c/ffb33d466a68cea3e8a3dbed04d79037a3cbabd1