CVE-2026-31436CRITICAL 9.8EPSS p36.2%

CVE-2026-31436CVE-2026-31436

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc() At the end of this function, d is the traversal cursor of flist, but the code completes found instead. This can lead to issues such as NULL pointer dereferences, double completion, or descriptor leaks. Fix this by completing d instead of found in the final list_for_each_entry_safe() loop.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.46% probability of exploitation · percentile 36.2% · 2026-06-19T12:03:05Z
Published2026-04-22
Last modified2026-05-19

Underlying weaknesses· 1

CWE-476

References

  1. https://git.kernel.org/stable/c/0e4f43779d550e559be13a5cdb763bad92c4cc99
  2. https://git.kernel.org/stable/c/82656e8daf8de00935ae91b91bed43f4d6e0d644
  3. https://git.kernel.org/stable/c/e1c9866173c5f8521f2d0768547a01508cb9ff27
  4. https://git.kernel.org/stable/c/e21da2ad8844585040fe4b82be1ad2fe99d40074

1

TypeTargetConfidenceTier
WeaknessNULL Pointer Dereferencecwe-4760%live

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