In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/vcn: set no_user_fence for VCN v4.0.3 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 ff1a5a125c5a70c328806b9bc01d7d942cf3f9aa)

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
b889ef4ac98837838c38f7b9f72bba2f33ee367d affected < c12a5d35033c0640c57c10d7111c010c7b9c2c8e
b889ef4ac98837838c38f7b9f72bba2f33ee367d affected < 387b7c7667bd5c53549350ddad866d2fcf75a529
b889ef4ac98837838c38f7b9f72bba2f33ee367d affected < 9076a83e5adefd10dc5c967c7b8bde601c4c512a
b889ef4ac98837838c38f7b9f72bba2f33ee367d affected < 0177ac6141c8857130cf365369c74dee7b6b1f7f
b889ef4ac98837838c38f7b9f72bba2f33ee367d affected < 4532b52b34e4e4310386e6fdf6a643368599f522
Linux Linux affected
Version Status Constraints
6.5 affected —
0 unaffected < 6.5
6.6.141 unaffected ≤ 6.6.*
6.12.91 unaffected ≤ 6.12.*
6.18.33 unaffected ≤ 6.18.*
7.0.10 unaffected ≤ 7.0.*
7.1 unaffected ≤ *

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/0177ac6141c8857130cf365369c74dee7b6b1f7f cve-icon
https://git.kernel.org/stable/c/387b7c7667bd5c53549350ddad866d2fcf75a529 cve-icon
https://git.kernel.org/stable/c/4532b52b34e4e4310386e6fdf6a643368599f522 cve-icon
https://git.kernel.org/stable/c/9076a83e5adefd10dc5c967c7b8bde601c4c512a cve-icon
https://git.kernel.org/stable/c/c12a5d35033c0640c57c10d7111c010c7b9c2c8e cve-icon
History

Sun, 19 Jul 2026 14:45:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v4.0.3 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 ff1a5a125c5a70c328806b9bc01d7d942cf3f9aa)
Title drm/amdgpu/vcn: set no_user_fence for VCN v4.0.3 enc ring
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-07-19T14:04:43.258Z

Reserved: 2026-07-19T07:54:57.016Z

Link: CVE-2026-63852

cve-icon Vulnrichment

No data.

cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses

No weakness.