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CVE-2026-63851

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 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 084d94ac93707bdda07efb5cee786f632de4219b)
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bc01a71e183e0bbac41004f480ee507750dec290e00d54078a6e83caa375b936
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_v4_0_5.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.7"},{"lessThan":"6.7","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:v2:62f72ea8903632d8fbc5a36a5c0a6d5ff7d8cccec52703ab9fb66d2a0251432e · sha256:c143d1f804d9243a… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"75091030f07b7957cc0646cd52e2d9d15f611483","status":"affected","version":"547aad32edac17a3ec4989d8aad2426d0cbeb590","versionType":"git"},{"lessThan":"6d9a98c5ed65ba92a09e4ca5a5f6941448145529","status":"affected","version":"547aad32edac17a3ec4989d8aad2426d0cbeb590","versionType":"git"},{"lessThan":"7f23b5c420b9f68a210c29c5123bace670aa8cc9","status":"affected","version":"547aad…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:62f72ea8903632d8fbc5a36a5c0a6d5ff7d8cccec52703ab9fb66d2a0251432e · sha256:c143d1f804d9243a… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.7"},{"lessThan":"6.7","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:v2:62f72ea8903632d8fbc5a36a5c0a6d5ff7d8cccec52703ab9fb66d2a0251432e · sha256:c143d1f804d9243a… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v4_0_5.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"75091030f07b7957cc0646cd52e2d9d15f611483","status":"affected","version":"547aad32edac17a3ec4989d8aad2426d0cbeb590","versionType":"git"},{"lessThan":"6d9a98c5ed65ba92a09e4ca5a5f6941448145529","status":"affected","version":"547aad32edac17a3ec4989d8aad2426d0cbeb590","versionType":"git"},{"lessThan":"7f23b5c420b9f68a210c29c5123bace670aa8cc9","status":"affected","version":"547aad…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:62f72ea8903632d8fbc5a36a5c0a6d5ff7d8cccec52703ab9fb66d2a0251432e · sha256:c143d1f804d9243a… · /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:v2:62f72ea8903632d8fbc5a36a5c0a6d5ff7d8cccec52703ab9fb66d2a0251432e · sha256:c143d1f804d9243a… · /containers/cna/metrics/0/cvssV3_1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/589a254bf3e88204c8402b9cbccd5e23a0af990f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62f72ea8903632d8fbc5a36a5c0a6d5ff7d8cccec52703ab9fb66d2a0251432e · sha256:c143d1f804d9243a… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/6d9a98c5ed65ba92a09e4ca5a5f6941448145529"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62f72ea8903632d8fbc5a36a5c0a6d5ff7d8cccec52703ab9fb66d2a0251432e · sha256:c143d1f804d9243a… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/75091030f07b7957cc0646cd52e2d9d15f611483"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62f72ea8903632d8fbc5a36a5c0a6d5ff7d8cccec52703ab9fb66d2a0251432e · sha256:c143d1f804d9243a… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/7f23b5c420b9f68a210c29c5123bace670aa8cc9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:62f72ea8903632d8fbc5a36a5c0a6d5ff7d8cccec52703ab9fb66d2a0251432e · sha256:c143d1f804d9243a… · /containers/cna/references/2

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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