CVE-2026-63850

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 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 49b1fbbb5a071197ee71e2d70959b1cb29bdc317)

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/139a8a52ef4349c62129703b3a3e3a6ae4d634eb	Patch
https://git.kernel.org/stable/c/2c350f3cd94be847ac216e1358ec7001eaaf0934	Patch
https://git.kernel.org/stable/c/8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb	Patch
https://git.kernel.org/stable/c/9f5a1459ecc3195282be617639d710b54779c9dc	Patch

Configurations

Configuration 1 (hide)

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

History

22 Oct 2026, 19:10

Type	Values Removed	Values Added
CPE		cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:7.1:rc1::::::
References	~~() https://git.kernel.org/stable/c/139a8a52ef4349c62129703b3a3e3a6ae4d634eb -~~	() https://git.kernel.org/stable/c/139a8a52ef4349c62129703b3a3e3a6ae4d634eb - Patch
References	~~() https://git.kernel.org/stable/c/2c350f3cd94be847ac216e1358ec7001eaaf0934 -~~	() https://git.kernel.org/stable/c/2c350f3cd94be847ac216e1358ec7001eaaf0934 - Patch
References	~~() https://git.kernel.org/stable/c/8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb -~~	() https://git.kernel.org/stable/c/8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb - Patch
References	~~() https://git.kernel.org/stable/c/9f5a1459ecc3195282be617639d710b54779c9dc -~~	() https://git.kernel.org/stable/c/9f5a1459ecc3195282be617639d710b54779c9dc - Patch
First Time		Linux linux Kernel Linux
CWE		NVD-CWE-noinfo

19 Oct 2026, 20:19

Type	Values Removed	Values Added
CWE		CWE-20

Information

Published : 2026-07-19 15:16

Updated : 2026-10-22 19:10

NVD link : CVE-2026-63850

Mitre link : CVE-2026-63850

CVE.ORG link : CVE-2026-63850

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo CWE-20

Improper Input Validation

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