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Permalink CVE-2026-63856
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 v2.0 enc/dec rings

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn: set no_user_fence for VCN v2.0 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 e2b5499fca55f1a32960a311bbb62e35891eaf73)

Affected products

Linux
  • <5.3
  • =<6.18.*
  • <ac06ce5cac9e711281585d09d00c6efcd9b86396
  • ==5.3
  • =<7.0.*
  • =<6.12.*
  • <c71aecae98e42dcf2baf462df50b3a2cf1a93fe4
  • <5e777bc4cbe928ac0fd95e368fee1540f2ce4db2
  • <8d80b293b41fcb5e9396db93e788b0f4ebcbafb7
  • =<*
  • =<6.6.*
  • <f264019be80de79f84f464846451445923bffea0