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CVE-2026-63850

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 enc ring VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 49b1fbbb5a071197ee71e2d70959b1cb29bdc317)
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e1bcb7adede58928a50c2613550533816fdaaa1ab020d7520c05393a3e98ee62
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":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"9f5a1459ecc3195282be617639d710b54779c9dc","status":"affected","version":"b6d1a06320519ac3bfda6ce81067a1bc409b9cff","versionType":"git"},{"lessThan":"139a8a52ef4349c62129703b3a3e3a6ae4d634eb","status":"affected","version":"b6d1a06320519ac3bfda6ce81067a1bc409b9cff","versionType":"git"},{"lessThan":"2c350f3cd94be847ac216e1358ec7001eaaf0934","status":"affected","version":"b6d1a0…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:26abb019b9070ce01049390170f2d85b0779775c3b87b1514fd740daf48224c7 · sha256:361c2055c9edf742… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.9"},{"lessThan":"6.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semve…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:26abb019b9070ce01049390170f2d85b0779775c3b87b1514fd740daf48224c7 · sha256:361c2055c9edf742… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"9f5a1459ecc3195282be617639d710b54779c9dc","status":"affected","version":"b6d1a06320519ac3bfda6ce81067a1bc409b9cff","versionType":"git"},{"lessThan":"139a8a52ef4349c62129703b3a3e3a6ae4d634eb","status":"affected","version":"b6d1a06320519ac3bfda6ce81067a1bc409b9cff","versionType":"git"},{"lessThan":"2c350f3cd94be847ac216e1358ec7001eaaf0934","status":"affected","version":"b6d1a0…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:26abb019b9070ce01049390170f2d85b0779775c3b87b1514fd740daf48224c7 · sha256:361c2055c9edf742… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v5_0_0.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.9"},{"lessThan":"6.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semve…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:26abb019b9070ce01049390170f2d85b0779775c3b87b1514fd740daf48224c7 · sha256:361c2055c9edf742… · /containers/cna/affected/1

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:v2:26abb019b9070ce01049390170f2d85b0779775c3b87b1514fd740daf48224c7 · sha256:361c2055c9edf742… · /containers/cna/metrics/0/cvssV3_1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/139a8a52ef4349c62129703b3a3e3a6ae4d634eb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:26abb019b9070ce01049390170f2d85b0779775c3b87b1514fd740daf48224c7 · sha256:361c2055c9edf742… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/2c350f3cd94be847ac216e1358ec7001eaaf0934"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:26abb019b9070ce01049390170f2d85b0779775c3b87b1514fd740daf48224c7 · sha256:361c2055c9edf742… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:26abb019b9070ce01049390170f2d85b0779775c3b87b1514fd740daf48224c7 · sha256:361c2055c9edf742… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/9f5a1459ecc3195282be617639d710b54779c9dc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:26abb019b9070ce01049390170f2d85b0779775c3b87b1514fd740daf48224c7 · sha256:361c2055c9edf742… · /containers/cna/references/0

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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