CVE-2026-63852
Last modified
CVE-2026-63852 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 v4.0.3 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 ff1a5a125c5a70c328806b9bc01d7d942cf3f9aa). 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 v4.0.3 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 ff1a5a125c5a70c328806b9bc01d7d942cf3f9aa)
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 | >= b889ef4ac98837838c38f7b9f72bba2f33ee367d, < c12a5d35033c0640c57c10d7111c010c7b9c2c8e; >= b889ef4ac98837838c38f7b9f72bba2f33ee367d, < 387b7c7667bd5c53549350ddad866d2fcf75a529; >= b889ef4ac98837838c38f7b9f72bba2f33ee367d, < 9076a83e5adefd10dc5c967c7b8bde601c4c512a; >= b889ef4ac98837838c38f7b9f72bba2f33ee367d, < 0177ac6141c8857130cf365369c74dee7b6b1f7f; >= b889ef4ac98837838c38f7b9f72bba2f33ee367d, < 4532b52b34e4e4310386e6fdf6a643368599f522 |
| Linux | Linux | 6.5 |
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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