CVE-2026-63850 | In the Linux kernel, the following vulnerability has been re… | CVSS 7.8 HIGH

Description

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)

Metadata

CVE ID: CVE-2026-63850
State: PUBLISHED
Assigner: Linux
Reserved: 2026-07-19 07:54 UTC
Published: 2026-07-19 14:04 UTC
Last updated: 2026-07-20 13:40 UTC
Vendor / Product: Linux / Linux
Sources: cve.org · NVD

Severity & Metrics

7.8 HIGH CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products (2)

Vendor	Product	Platform	Versions
Linux	Linux	—	b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 9f5a1459ecc3195282be617639d710b54779c9dc, b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 139a8a52ef4349c62129703b3a3e3a6ae4d634eb, b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 2c350f3cd94be847ac216e1358ec7001eaaf0934, b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb
Linux	Linux	—	6.9, 0 < 6.9, 6.12.91 ≤ 6.12., 6.18.33 ≤ 6.18. …

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.8	HIGH	3.1	cna	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References (4)