CVE-2026-63851
Last modified
CVE-2026-63851 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 v4.0.5 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 084d94ac93707bdda07efb5cee786f632de4219b). EPSS estimates a 0.12% 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 v4.0.5 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 084d94ac93707bdda07efb5cee786f632de4219b)
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 | >= 547aad32edac17a3ec4989d8aad2426d0cbeb590, < 75091030f07b7957cc0646cd52e2d9d15f611483; >= 547aad32edac17a3ec4989d8aad2426d0cbeb590, < 6d9a98c5ed65ba92a09e4ca5a5f6941448145529; >= 547aad32edac17a3ec4989d8aad2426d0cbeb590, < 7f23b5c420b9f68a210c29c5123bace670aa8cc9; >= 547aad32edac17a3ec4989d8aad2426d0cbeb590, < 589a254bf3e88204c8402b9cbccd5e23a0af990f |
| Linux | Linux | 6.7 |
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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