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Permalink CVE-2026-63855
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, 2 hours ago Activity log
  • Created & dismissed (max. allowed matches exceeded) suggestion 6 days, 2 hours ago
drm/amdgpu/vcn: set no_user_fence for VCN v2.5 enc/dec rings

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v2.5 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 efc9dd5590894109bce9a0bfe1fa5592dd6b20b1)

Affected products

Linux
  • <2c6fb056567efb49f8674108b86088a1cfaa86d0
  • <602d4c5872b25ddd4d82fb2025efb9a05b187bb3
  • =<6.18.*
  • ==5.4
  • =<7.0.*
  • =<6.12.*
  • =<*
  • =<6.6.*
  • <4f317863a3ab212a027d8c8c3cc3af4e3fb95704
  • <5.4
  • <8f0ea4524dc71c6c9ec97f2711f46e12f624140f
  • <5a3c6f76cab164a5d803084908d7050f649ab7f9