CVE-2026-63850High· 7.8▾ TwilightIn 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…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 16.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
Last analysed / modified upstream
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)
Linux >= b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 9f5a1459ecc3195282be617639d710b54779c9dcLinux >= b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 139a8a52ef4349c62129703b3a3e3a6ae4d634ebLinux >= b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 2c350f3cd94be847ac216e1358ec7001eaaf0934Linux >= b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 8cae0ce77de492d7c31c1532a2e80c0c6e7e58cbLinux 6.9Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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