CVE-2026-31436

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.

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-25)

CWEs

CWE-476, CWE-758

Published

2026-04-22

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/0e4f43779d550e559be13a5cdb763bad92c4cc99
• https://git.kernel.org/stable/c/82656e8daf8de00935ae91b91bed43f4d6e0d644
• https://git.kernel.org/stable/c/e1c9866173c5f8521f2d0768547a01508cb9ff27
• https://git.kernel.org/stable/c/e21da2ad8844585040fe4b82be1ad2fe99d40074

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