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CVE-2026-63849

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v5.0.1 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 e16be95a2c3ee712b142cb27d2dca0b461181359)
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0a264dcc87dbe36c0a1e976ce6ffbe95a251c5f4e955731c9b2d00b7dd964c09
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_v5_0_1.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.14"},{"lessThan":"6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_com…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:aa41f31a855fbf0b170c6242e595380f3a10e33b445de9c0fc50893e648232a1 · sha256:335b658613b69211… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"081ef0e46c9cdd26c0db0ef721470393d36b6655","status":"affected","version":"346492f30ce3581bf5324c4ae417eab8537dc998","versionType":"git"},{"lessThan":"5a4bffd67e94944ed3db26a959346cfb7fabaecd","status":"affected","version":"346492f30ce3581bf5324c4ae417eab8537dc998","versionType":"git"},{"lessThan":"8f4954722eab88e10c4ea0c0d3b1269c31421d3a","status":"affected","version":"346492…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:aa41f31a855fbf0b170c6242e595380f3a10e33b445de9c0fc50893e648232a1 · sha256:335b658613b69211… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.14"},{"lessThan":"6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_com…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:aa41f31a855fbf0b170c6242e595380f3a10e33b445de9c0fc50893e648232a1 · sha256:335b658613b69211… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/amdgpu/vcn_v5_0_1.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"081ef0e46c9cdd26c0db0ef721470393d36b6655","status":"affected","version":"346492f30ce3581bf5324c4ae417eab8537dc998","versionType":"git"},{"lessThan":"5a4bffd67e94944ed3db26a959346cfb7fabaecd","status":"affected","version":"346492f30ce3581bf5324c4ae417eab8537dc998","versionType":"git"},{"lessThan":"8f4954722eab88e10c4ea0c0d3b1269c31421d3a","status":"affected","version":"346492…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:aa41f31a855fbf0b170c6242e595380f3a10e33b445de9c0fc50893e648232a1 · sha256:335b658613b69211… · /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:aa41f31a855fbf0b170c6242e595380f3a10e33b445de9c0fc50893e648232a1 · sha256:335b658613b69211… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/081ef0e46c9cdd26c0db0ef721470393d36b6655"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:aa41f31a855fbf0b170c6242e595380f3a10e33b445de9c0fc50893e648232a1 · sha256:335b658613b69211… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/5a4bffd67e94944ed3db26a959346cfb7fabaecd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:aa41f31a855fbf0b170c6242e595380f3a10e33b445de9c0fc50893e648232a1 · sha256:335b658613b69211… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/8f4954722eab88e10c4ea0c0d3b1269c31421d3a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:aa41f31a855fbf0b170c6242e595380f3a10e33b445de9c0fc50893e648232a1 · sha256:335b658613b69211… · /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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