{"cve":"CVE-2026-31436","nvd":{"published":"2026-04-22T14:16:36.843","modified":"2026-10-19T19:17:53.370","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc()\n\nAt the end of this function, d is the traversal cursor of flist, but the\ncode completes found instead. This can lead to issues such as NULL pointer\ndereferences, double completion, or descriptor leaks.\n\nFix this by completing d instead of found in the final\nlist_for_each_entry_safe() loop.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-476","CWE-758"],"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"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2026-31436","score":0.00457,"percentile":0.39392,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}