{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31436","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.089Z","datePublished":"2026-04-22T13:53:35.693Z","dateUpdated":"2026-04-27T14:03:07.926Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-04-27T14:03:07.926Z"},"descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/idxd/submit.c"],"versions":[{"version":"aa8d18becc0c14aa3eb46d6d1b81450446e11b87","lessThan":"e21da2ad8844585040fe4b82be1ad2fe99d40074","status":"affected","versionType":"git"},{"version":"aa8d18becc0c14aa3eb46d6d1b81450446e11b87","lessThan":"82656e8daf8de00935ae91b91bed43f4d6e0d644","status":"affected","versionType":"git"},{"version":"aa8d18becc0c14aa3eb46d6d1b81450446e11b87","lessThan":"0e4f43779d550e559be13a5cdb763bad92c4cc99","status":"affected","versionType":"git"},{"version":"aa8d18becc0c14aa3eb46d6d1b81450446e11b87","lessThan":"e1c9866173c5f8521f2d0768547a01508cb9ff27","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/dma/idxd/submit.c"],"versions":[{"version":"6.8","status":"affected"},{"version":"0","lessThan":"6.8","status":"unaffected","versionType":"semver"},{"version":"6.12.80","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.21","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.11","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.12.80"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.18.21"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.19.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/e21da2ad8844585040fe4b82be1ad2fe99d40074"},{"url":"https://git.kernel.org/stable/c/82656e8daf8de00935ae91b91bed43f4d6e0d644"},{"url":"https://git.kernel.org/stable/c/0e4f43779d550e559be13a5cdb763bad92c4cc99"},{"url":"https://git.kernel.org/stable/c/e1c9866173c5f8521f2d0768547a01508cb9ff27"}],"title":"dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc()","x_generator":{"engine":"bippy-1.2.0"}}}}