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Permalink CVE-2026-63851
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, 6 hours ago Activity log
  • Created & dismissed (max. allowed matches exceeded) suggestion 6 days, 6 hours ago
drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 enc ring

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v4.0.5 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 084d94ac93707bdda07efb5cee786f632de4219b)

Affected products

Linux
  • <7f23b5c420b9f68a210c29c5123bace670aa8cc9
  • =<6.18.*
  • <75091030f07b7957cc0646cd52e2d9d15f611483
  • <6d9a98c5ed65ba92a09e4ca5a5f6941448145529
  • =<6.12.*
  • =<7.0.*
  • <589a254bf3e88204c8402b9cbccd5e23a0af990f
  • =<*
  • <6.7
  • ==6.7