drm/amdgpu/vcn: set no_user_fence for VCN v5.0.0 enc ring (Linux Linux)

CVE-2026-63850
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.18 % · percentile 7 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

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)

Weaknesses (CWE)

  • CWE-20 — Improper Input Validation

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 9f5a1459ecc3195282be617639d710b54779c9dc ; affected b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 139a8a52ef4349c62129703b3a3e3a6ae4d634eb ; affected b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 2c350f3cd94be847ac216e1358ec7001eaaf0934 ; affected b6d1a06320519ac3bfda6ce81067a1bc409b9cff < 8cae0ce77de492d7c31c1532a2e80c0c6e7e58cb
Linux · Linuxaffected 6.9 ; unaffected 0 < 6.9 ; unaffected 6.12.91 ≤ 6.12.* ; unaffected 6.18.33 ≤ 6.18.* ; unaffected 7.0.10 ≤ 7.0.* ; unaffected 7.1 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD