Linux vulnerability

What happened

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)

Affected versions

Linux: 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 through before 1facad2a78c1a8aeecc36eb4d560c7f1e10ce198 (git); 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 through before 499907e5d46e575e96967c0230a0a6af980a17ab (git); 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 through before cbf1c84bf5cac2b3742ea3d2085fa713424465cc (git); 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 through before a930c54cb67200de8bc0de87480d09ece7dcd85d (git); 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 through before 2abcdc5f738574e7fcdd9417575dffb877fdc26f (git); 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 through before e304c3e0d9ce251887be1f274aa0ed52219d5fd7 (git); 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 through before 0acdf1a575f59bd46717d5c487d84575af5bee8f (git); 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3 through before 9fca434208f1f9ab977feac62df8ebb1cc7ce893 (git); 4.2 Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.