CVE-2026-63856

CVE CVE-2026-63856EUVD EUVD-2026-45540Published 2026-07-19T14:04:45.000ZLast changed 2026-08-05T12:36:34.000ZCVSS 7.8

What the advisory describes

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)

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux 1b61de45dfaff00b627e47349a019658e39268b9 <ac06ce5cac9e711281585d09d00c6efcd9b86396; patch: 6.18.33; 1b61de45dfaff00b627e47349a019658e39268b9 <c71aecae98e42dcf2baf462df50b3a2cf1a93fe4; patch: 7.0.10; patch: 0; 1b61de45dfaff00b627e47349a019658e39268b9 <5e777bc4cbe928ac0fd95e368fee1540f2ce4db2; 1b61de45dfaff00b627e47349a019658e39268b9 <f264019be80de79f84f464846451445923bffea0; patch: 6.6.141; 5.3; patch: 7.1; patch: 6.12.91; 1b61de45dfaff00b627e47349a019658e39268b9 <8d80b293b41fcb5e9396db93e788b0f4ebcbafb7

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

Linux — Linux

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