CVE-2026-31436

medium

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.

References

https://git.kernel.org/stable/c/e21da2ad8844585040fe4b82be1ad2fe99d40074

https://git.kernel.org/stable/c/e1c9866173c5f8521f2d0768547a01508cb9ff27

https://git.kernel.org/stable/c/82656e8daf8de00935ae91b91bed43f4d6e0d644

https://git.kernel.org/stable/c/0e4f43779d550e559be13a5cdb763bad92c4cc99

Details

Source: Mitre, NVD

Published: 2026-04-22

Updated: 2026-04-23

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018