Integer overflow in Linux kernel - CVE-2026-80908
Published: September 5, 2026
Vulnerability identifier: #VU147004
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80908
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to trigger an integer overflow in DPB size calculations.
The vulnerability exists due to integer overflow in the amdgpu UVD message decoder when processing a UVD message with dimensions exceeding 4096. A local user can submit a UVD message with oversized dimensions to trigger an integer overflow in DPB size calculations.
Affected software
Linux kernel
How to mitigate CVE-2026-80908
Install security update from vendor's repository.
External References
- https://git.kernel.org/stable/c/17fbb996c05f2190e0fa20927ca0b9804d481b02
- https://git.kernel.org/stable/c/339deb76ee4859ea973e435c9a9a4a4fefc29338
- https://git.kernel.org/stable/c/382bef781ff441ce8055bdada57b8c291dc0fd30
- https://git.kernel.org/stable/c/8435d41afcf2bc31ecee213ef651c12bd1a16d38
- https://git.kernel.org/stable/c/8bae80eaed00e7ae28412a3cdf590f4beca72294
- https://git.kernel.org/stable/c/8c9aebcdd9f46f7a14b98d6ab18574b7a48fbb08
- https://git.kernel.org/stable/c/9adc5e25f31d7ee7dfc18814499b6e3a6d402904
- https://git.kernel.org/stable/c/f7af372d3b892b95dd3cd1c6acf29daa39ba076d