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linux-hwe-edge

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A vulnerability in the Linux kernel's AMD GPU driver (drm/amdgpu/vcn) was resolved, specifically related to the VCN v3.0 encoder and decoder rings not supporting 64-bit user fence writes and rejecting command submissions with user fences. This issue has been addressed in Linux kernel updates. The vulnerability has a CVSS score of 7.8 and affects numerous Linux kernel versions prior to 6.8.0-136.136 and other specific versions. A patch is available, and users are advised to update and reboot their systems to apply the fix.

The Linux kernel vulnerability CVE-2026-63854 concerns the drm/amdgpu/vcn subsystem, where the VCN v3.0 encoder and decoder rings did not support 64-bit user fence writes and rejected command submissions containing user fences. This flaw could lead to improper handling of user fences in the AMD GPU driver. The issue has been fixed by setting the no_user_fence flag for these rings, preventing unsupported user fence operations. The vulnerability affects multiple Linux kernel versions, including many specific releases prior to 6.8.0-136.136 and others enumerated. The CVSS v3.1 score is 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), indicating a significant impact on confidentiality, integrity, and availability with local attack vector and low complexity. Patches are available and included in standard Linux kernel updates.

Detailed information about Linux hwe edge: (In the Linux kernel, the following vulnerability has been resolved: d ...) affecting null linux-hwe-edge. Get real-t

Linux hwe edge: (In the Linux kernel, the following vulnerability has been resolved: d ...) - Live Threat Intelligence - Threat Radar | OffSeq.com

Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings VCN encoder and… (CVE-2026-63854)

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