CVE-2026-80909
N/AIn the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Reject UVD message with invalid number of h265 refs Same change as for h264, avoids overflow later when calculating min dpb size. (cherry picked from commit a4b0720e4f1601f97f59a2be9c1b4b94fa6527d5)
NO EXPLOITATION SIGNALS
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
—EPSS not yet scored
○ In CISA KEV
○ Public exploit / PoC
Impact if exploited
—CVSS · not scored
- No impact metrics
Proof of concept & exploit code
- github-search Search GitHub for public PoC repos
Test against your own equipment
curl -s https://vulnpedia.com/cve/CVE-2026-80909/poc.jsonMachine-readable PoC index for this CVE (for automation).Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-80909/poc.json
References
Technical & other
- https://git.kernel.org/stable/c/1facad2a78c1a8aeecc36eb4d560c7f1e10ce198
- https://git.kernel.org/stable/c/499907e5d46e575e96967c0230a0a6af980a17ab
- https://git.kernel.org/stable/c/cbf1c84bf5cac2b3742ea3d2085fa713424465cc
- https://git.kernel.org/stable/c/a930c54cb67200de8bc0de87480d09ece7dcd85d
- https://git.kernel.org/stable/c/2abcdc5f738574e7fcdd9417575dffb877fdc26f
- https://git.kernel.org/stable/c/e304c3e0d9ce251887be1f274aa0ed52219d5fd7
- https://git.kernel.org/stable/c/0acdf1a575f59bd46717d5c487d84575af5bee8f
- https://git.kernel.org/stable/c/9fca434208f1f9ab977feac62df8ebb1cc7ce893