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Permalink CVE-2026-63854
7.8 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Local (L)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Local (L)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): High (H)
created 6 days, 4 hours ago Activity log
  • Created & dismissed (max. allowed matches exceeded) suggestion 6 days, 4 hours ago
drm/amdgpu/vcn: set no_user_fence for VCN v3.0 enc/dec rings

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 decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 663bed3c7b8b9a7624b0d95d300ddae034ad0614)

Affected products

Linux
  • =<6.18.*
  • <f1e5a6660d7cbf006079126d9babbf0ccf538c6b
  • <2d6525e7b2504f5bbfe9417cddc1e8da858791dd
  • <b076e45e6f757a2829e80d0144c1b5f201bee5af
  • =<7.0.*
  • =<6.12.*
  • <5.9
  • <e74fc9c72c1ba78d0de0b849f5929c3b39a8e20c
  • =<*
  • =<6.6.*
  • ==5.9
  • <26c4f38529ac78930c9c4713e16ebc5b689bb0a3