Vulnerability Description
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)
CVSS Score
HIGH
References
- https://git.kernel.org/stable/c/139a8a52ef4349c62129703b3a3e3a6ae4d634eb
- https://git.kernel.org/stable/c/2c350f3cd94be847ac216e1358ec7001eaaf0934
- https://git.kernel.org/stable/c/8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb
- https://git.kernel.org/stable/c/9f5a1459ecc3195282be617639d710b54779c9dc
FAQ
What is CVE-2026-63850?
CVE-2026-63850 is a vulnerability with a CVSS score of 7.8 (HIGH). 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, r...
How severe is CVE-2026-63850?
CVE-2026-63850 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-63850?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.