CVE-2026-63850
Last modified
CVE-2026-63850 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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). EPSS estimates a 0.13% chance of exploitation in the next 30 days.
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)
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= b6d1a06320519ac3bfda6ce81067a1bc409b9cff, < 9f5a1459ecc3195282be617639d710b54779c9dc; >= b6d1a06320519ac3bfda6ce81067a1bc409b9cff, < 139a8a52ef4349c62129703b3a3e3a6ae4d634eb; >= b6d1a06320519ac3bfda6ce81067a1bc409b9cff, < 2c350f3cd94be847ac216e1358ec7001eaaf0934; >= b6d1a06320519ac3bfda6ce81067a1bc409b9cff, < 8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb |
| Linux | Linux | 6.9 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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