CVE-2026-80909

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    CVE-2026-80909

    Published: 4 Sept 2026Last Modified: 23 Sept 2026

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

    Details: 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)

    References: https://git.kernel.org/stable/c/0acdf1a575f59bd46717d5c487d84575af5bee8f, https://git.kernel.org/stable/c/1facad2a78c1a8aeecc36eb4d560c7f1e10ce198, https://git.kernel.org/stable/c/2abcdc5f738574e7fcdd9417575dffb877fdc26f, https://git.kernel.org/stable/c/499907e5d46e575e96967c0230a0a6af980a17ab, https://git.kernel.org/stable/c/9fca434208f1f9ab977feac62df8ebb1cc7ce893, https://git.kernel.org/stable/c/a930c54cb67200de8bc0de87480d09ece7dcd85d, https://git.kernel.org/stable/c/cbf1c84bf5cac2b3742ea3d2085fa713424465cc, https://git.kernel.org/stable/c/e304c3e0d9ce251887be1f274aa0ed52219d5fd7, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80909.json, https://nvd.nist.gov/vuln/detail/CVE-2026-80909, https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 86fa0bdc6fd7b2debc07ce86f1bcd5fb254822e3
    Fixed -1facad2a78c1a8aeecc36eb4d560c7f1e10ce198

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-80909 | CVE-DB