CVE-2026-31436
9.8 CRITICALIn the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor completion in llist_a...
Published: 2026-04-22 · Last updated: 2026-05-19
Severity and scoring
- CVSS
- 9.8 CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-476
Affected products
| Vendor | Product |
|---|---|
| linux | linux_kernel |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-31436
- [Patch]https://git.kernel.org/stable/c/0e4f43779d550e559be13a5cdb763bad92c4cc99
- [Patch]https://git.kernel.org/stable/c/82656e8daf8de00935ae91b91bed43f4d6e0d644
- [Patch]https://git.kernel.org/stable/c/e1c9866173c5f8521f2d0768547a01508cb9ff27
- [Patch]https://git.kernel.org/stable/c/e21da2ad8844585040fe4b82be1ad2fe99d40074
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