{"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": "2026-04-22T13:53:35.693Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-04-22T13:53:35.693Z"}, "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."}], "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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-31436", "lastModified": "2026-04-22T14:16:36.843", "metrics": {}, "published": "2026-04-22T14:16:36.843", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0e4f43779d550e559be13a5cdb763bad92c4cc99"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/82656e8daf8de00935ae91b91bed43f4d6e0d644"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e1c9866173c5f8521f2d0768547a01508cb9ff27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e21da2ad8844585040fe4b82be1ad2fe99d40074"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: dmaengine: idxd: fix possible wrong descriptor completion in llist_abort_desc()", "id": "2460678", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460678"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-910", "details": ["A flaw was found in the Linux kernel's dmaengine subsystem, specifically within the idxd driver. This vulnerability occurs due to incorrect descriptor completion in the `llist_abort_desc()` function. This can lead to issues such as NULL pointer dereferences, double completion, or descriptor leaks, which can result in a denial of service."], "name": "CVE-2026-31436", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31436\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31436\nhttps://lore.kernel.org/linux-cve-announce/2026042242-CVE-2026-31436-7ac7@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aa8d18becc0c14aa3eb46d6d1b81450446e11b87,e21da2ad8844585040fe4b82be1ad2fe99d40074)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aa8d18becc0c14aa3eb46d6d1b81450446e11b87,82656e8daf8de00935ae91b91bed43f4d6e0d644)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aa8d18becc0c14aa3eb46d6d1b81450446e11b87,0e4f43779d550e559be13a5cdb763bad92c4cc99)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aa8d18becc0c14aa3eb46d6d1b81450446e11b87,e1c9866173c5f8521f2d0768547a01508cb9ff27)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.8"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.80,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.21,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.19.11,6.19.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-04-22T15:30:20.459236+00:00", "updated": "2026-04-22T15:30:20.459354+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}