CVE-2026-63840

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v5.3.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 86ac011ae234c03fb872f4945913391ea1d8862e)

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/3b0ea2021351b6b813b34fac940957f1f4fad85b	Patch
https://git.kernel.org/stable/c/46ad73aec27d020f103b4262e4da2d2c22f54799	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc1::::::

History

22 Oct 2026, 14:08

Type	Values Removed	Values Added
CPE		cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:7.1:rc1::::::
First Time		Linux linux Kernel Linux
References	~~() https://git.kernel.org/stable/c/3b0ea2021351b6b813b34fac940957f1f4fad85b -~~	() https://git.kernel.org/stable/c/3b0ea2021351b6b813b34fac940957f1f4fad85b - Patch
References	~~() https://git.kernel.org/stable/c/46ad73aec27d020f103b4262e4da2d2c22f54799 -~~	() https://git.kernel.org/stable/c/46ad73aec27d020f103b4262e4da2d2c22f54799 - Patch

19 Oct 2026, 20:19

Type	Values Removed	Values Added
CWE		CWE-20

Information

Published : 2026-07-19 15:16

Updated : 2026-10-22 14:08

NVD link : CVE-2026-63840

Mitre link : CVE-2026-63840

CVE.ORG link : CVE-2026-63840

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-20

Improper Input Validation

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