PT-2026-61170 · Linux+1 · Linux Kernel+1
CVE-2026-63853
·
Published
2026-07-19
·
Updated
2026-09-07
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
In the Linux kernel, the AMDGPU VCN 4.0 path contains an issue where VCN encoder and decoder rings do not support 64-bit user fence writes. This necessitates the rejection of CS submissions that utilize user fences.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
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Related Identifiers
Affected Products
Linux Kernel
Ubuntu