CVE-2026-80909

drm/amdgpu: Reject UVD message with invalid number of h265 refs

State: Published
Severity: Not scored
Published: Sep 4, 2026
Updated: Sep 7, 2026
Reserved: Aug 26, 2026

Read the record on cve.org

Description

In 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)

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before 1facad2a78c1a8aeecc36eb4d560c7f1e10ce198Affected 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before 499907e5d46e575e96967c0230a0a6af980a17abAffected 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before cbf1c84bf5cac2b3742ea3d2085fa713424465ccAffected 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before a930c54cb67200de8bc0de87480d09ece7dcd85dAffected 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before 2abcdc5f738574e7fcdd9417575dffb877fdc26fAffected 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before e304c3e0d9ce251887be1f274aa0ed52219d5fd7Affected 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before 0acdf1a575f59bd46717d5c487d84575af5bee8fAffected 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before 9fca434208f1f9ab977feac62df8ebb1cc7ce893Affected
LinuxLinux	4.2Affected before 4.2Not affected 5.10.266 through 5.10.Not affected 5.15.217 through 5.15.Not affected 6.1.184 through 6.1.Not affected 6.6.153 through 6.6.Not affected 6.12.105 through 6.12.Not affected 6.18.46 through 6.18.Not affected 7.1.10 through 7.1.*Not affected 7.2 and laterNot affected

Product

Versions

LinuxLinux

86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before 1facad2a78c1a8aeecc36eb4d560c7f1e10ce198Affected
86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before 499907e5d46e575e96967c0230a0a6af980a17abAffected
86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before cbf1c84bf5cac2b3742ea3d2085fa713424465ccAffected
86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before a930c54cb67200de8bc0de87480d09ece7dcd85dAffected
86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before 2abcdc5f738574e7fcdd9417575dffb877fdc26fAffected
86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before e304c3e0d9ce251887be1f274aa0ed52219d5fd7Affected
86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before 0acdf1a575f59bd46717d5c487d84575af5bee8fAffected
86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 to before 9fca434208f1f9ab977feac62df8ebb1cc7ce893Affected

LinuxLinux

4.2Affected
before 4.2Not affected
5.10.266 through 5.10.*Not affected
5.15.217 through 5.15.*Not affected
6.1.184 through 6.1.*Not affected
6.6.153 through 6.6.*Not affected
6.12.105 through 6.12.*Not affected
6.18.46 through 6.18.*Not affected
7.1.10 through 7.1.*Not affected
7.2 and laterNot affected

References

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