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CVE-2026-63854

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 663bed3c7b8b9a7624b0d95d300ddae034ad0614)
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b9208488581d21a637a21e53df631c7fc0721a3eba9b8df68fc273019980df91
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.9"},{"lessThan":"5.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f6e9a8c89f5f734f2de2449b1023a536e8edcedef24fa57d47c71bca70720e8b · sha256:021d0834be99a63c… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c","status":"affected","version":"cf14826cdfb5c9fe10f98210d040b9d7486c381d","versionType":"git"},{"lessThan":"26c4f38529ac78930c9c4713e16ebc5b689bb0a3","status":"affected","version":"cf14826cdfb5c9fe10f98210d040b9d7486c381d","versionType":"git"},{"lessThan":"2d6525e7b2504f5bbfe9417cddc1e8da858791dd","status":"affected","version":"cf14826c…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f6e9a8c89f5f734f2de2449b1023a536e8edcedef24fa57d47c71bca70720e8b · sha256:021d0834be99a63c… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.9"},{"lessThan":"5.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f6e9a8c89f5f734f2de2449b1023a536e8edcedef24fa57d47c71bca70720e8b · sha256:021d0834be99a63c… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c","status":"affected","version":"cf14826cdfb5c9fe10f98210d040b9d7486c381d","versionType":"git"},{"lessThan":"26c4f38529ac78930c9c4713e16ebc5b689bb0a3","status":"affected","version":"cf14826cdfb5c9fe10f98210d040b9d7486c381d","versionType":"git"},{"lessThan":"2d6525e7b2504f5bbfe9417cddc1e8da858791dd","status":"affected","version":"cf14826c…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f6e9a8c89f5f734f2de2449b1023a536e8edcedef24fa57d47c71bca70720e8b · sha256:021d0834be99a63c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f6e9a8c89f5f734f2de2449b1023a536e8edcedef24fa57d47c71bca70720e8b · sha256:021d0834be99a63c… · /containers/cna/metrics/0/cvssV3_1

Source references

5 source assertions
{"url":"https://git.kernel.org/stable/c/26c4f38529ac78930c9c4713e16ebc5b689bb0a3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f6e9a8c89f5f734f2de2449b1023a536e8edcedef24fa57d47c71bca70720e8b · sha256:021d0834be99a63c… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/2d6525e7b2504f5bbfe9417cddc1e8da858791dd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f6e9a8c89f5f734f2de2449b1023a536e8edcedef24fa57d47c71bca70720e8b · sha256:021d0834be99a63c… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/b076e45e6f757a2829e80d0144c1b5f201bee5af"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f6e9a8c89f5f734f2de2449b1023a536e8edcedef24fa57d47c71bca70720e8b · sha256:021d0834be99a63c… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f6e9a8c89f5f734f2de2449b1023a536e8edcedef24fa57d47c71bca70720e8b · sha256:021d0834be99a63c… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/f1e5a6660d7cbf006079126d9babbf0ccf538c6b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f6e9a8c89f5f734f2de2449b1023a536e8edcedef24fa57d47c71bca70720e8b · sha256:021d0834be99a63c… · /containers/cna/references/4

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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