CVE-2026-31436
criticalpriority · track · 0EPSS 0.005 · 39 %ileDEEURUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (43)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1252Linux Kernel: Mehrere SchwachstellenDeutsch2026-04-22csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen, Sicherheitsmaßnahmen zu umgehen, Informationen offenzulegen, andere nicht näher spezifizierte Auswirkungen zu verursachen und möglicherweise Code auszuführen.
also known as (4)
Other names and identifiers for this entity.
sources
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references (10)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2026-31436cnnvd
- https://www.kernel.org/Patchcnnvd
- https://git.kernel.org/stable/c/0e4f43779d550e559be13a5cdb763bad92c4cc99enisa_euvd
- https://git.kernel.org/stable/c/82656e8daf8de00935ae91b91bed43f4d6e0d644enisa_euvd
- https://git.kernel.org/stable/c/e1c9866173c5f8521f2d0768547a01508cb9ff27enisa_euvd
- https://git.kernel.org/stable/c/e21da2ad8844585040fe4b82be1ad2fe99d40074enisa_euvd
- https://git.kernel.org/stable/c/0e4f43779d550e559be13a5cdb763bad92c4cc99Patchnvd
- https://git.kernel.org/stable/c/82656e8daf8de00935ae91b91bed43f4d6e0d644Patchnvd
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