CVE-2026-31436dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc()
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Analyzed
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from aa8d18becc0c14aa3eb46d6d1b81450446e11b87 before e21da2ad8844585040fe4b82be1ad2fe99d40074; from aa8d18becc0c14aa3eb46d6d1b81450446e11b87 before 82656e8daf8de00935ae91b91bed43f4d6e0d644; from aa8d18becc0c14aa3eb46d6d1b81450446e11b87 before 0e4f43779d550e559be13a5cdb763bad92c4cc99; from aa8d18becc0c14aa3eb46d6d1b81450446e11b87 before e1c9866173c5f8521f2d0768547a01508cb9ff27 | CNA record |
linux linux_kernel linux:linux_kernel | from 6.8 before 6.12.80; from 6.13 before 6.18.21; from 6.19 before 6.19.11; 7.0; 7.0; 7.0; 7.0; 7.0; and 1 more ranges | NVD |
References
- https://git.kernel.org/stable/c/e21da2ad8844585040fe4b82be1ad2fe99d40074patch
- https://git.kernel.org/stable/c/82656e8daf8de00935ae91b91bed43f4d6e0d644patch
- https://git.kernel.org/stable/c/0e4f43779d550e559be13a5cdb763bad92c4cc99patch
- https://git.kernel.org/stable/c/e1c9866173c5f8521f2d0768547a01508cb9ff27patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.