PT-2026-61162 · Linux+2 · Linux Kernel+2

CVE-2026-63845

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Published

2026-07-19

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Updated

2026-09-07

CVSS v3.1

7.8

High

VectorAV: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 An issue exists in the drm/amdgpu/jpeg component where JPEG v4.0 rings do not support 64-bit user fence writes. A user fence is a synchronization mechanism used to coordinate tasks between the CPU and GPU. To prevent errors, the system must reject Command Stream (CS) submissions that include 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

CVE-2026-63845
OPENSUSE-SU-2026:21555-1
SUSE-SU-2026:23066-1
SUSE-SU-2026:23068-1
SUSE-SU-2026:23193-1
SUSE-SU-2026:23194-1
SUSE-SU-2026:23221-1
SUSE-SU-2026:23231-1
SUSE-SU-2026:23237-1
SUSE-SU-2026:23241-1
SUSE-SU-2026:23244-1
SUSE-SU-2026:3790-1
SUSE-SU-2026:3810-1
USN-8574-1
USN-8574-2
USN-8574-3
USN-8593-1
USN-8595-1
USN-8595-2
USN-8595-3
USN-8596-1
USN-8603-1
USN-8606-1
USN-8607-1
USN-8608-1
USN-8609-1
USN-8618-1
USN-8619-1
USN-8663-1
USN-8664-1
USN-8665-1
USN-8728-1

Affected Products

Linuxmint
Linux Kernel
Ubuntu