CVE-2026-89814

CVE CVE-2026-89814EUVD EUVD-2026-80414Published 2026-09-16T10:30:47.000ZLast changed 2026-09-17T09:29:14.000ZCVSS 7.8

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: clamp the isolation index for rings outside a partition adev->isolation[] has one slot per partition, but a ring that is not assigned to one keeps AMDGPU_XCP_NO_PARTITION, which is ~0, so indexing the array with it is out of bounds. SDMA submissions hit this on both the isolation enforcement and the VM flush path and trip UBSAN. Fall back to the first slot the way the cleaner shader path already does, and stop taking the address before the ring type check that makes it relevant.

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 patch: 7.3-rc1; patch: 7.2.5; bd22e44ad415ac22e3a4f9a983d2a085f6cb4427 <b30900566642ceb2c9e12b56c2afec28d0fd91a0; 6.15; 4277dc1942a8979abe1ef2b55069f42497f885c0; bd22e44ad415ac22e3a4f9a983d2a085f6cb4427 <0bfb938182d1313e5cac32ae38dbaaa4eabe4af4; patch: 6.18.51; patch: 0; bd22e44ad415ac22e3a4f9a983d2a085f6cb4427 <964de255497ffd7cb8a86e405b8ac6d927e7e177; 6.14.9 <6.15

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

Patchlage reports hits and suspected hits. About everything else this system says nothing — neither this page nor the situation report ever claims that an estate is safe.