CVE-2026-63850

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Source

https://cve.org/CVERecord?id=CVE-2026-63850

Import Source

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-63850

Downstream

Published

2026-07-19T14:04:41.975Z

Modified

2026-07-21T03:47:33.912319658Z

Severity

7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 enc ring

Details

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/vcn: set nouserfence 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)

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63850.json",
    "cna_assigner": "Linux"
}

References

Affected packages

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

b6d1a06320519ac3bfda6ce81067a1bc409b9cff

Fixed

9f5a1459ecc3195282be617639d710b54779c9dc

Fixed

139a8a52ef4349c62129703b3a3e3a6ae4d634eb

Fixed

2c350f3cd94be847ac216e1358ec7001eaaf0934

Fixed

8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63850.json"

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63850.json"