CVE-2026-92486

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-92486", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-16T12:21:13.870Z", "datePublished": "2026-09-17T16:10:01.654Z", "dateUpdated": "2026-10-19T09:03:52.858Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:03:52.858Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix CFI mismatch in task work callback\n\nBPF subprograms use the bpf_callback_t ABI, but task work invokes the\ncallback through a three-argument function pointer. This trips kCFI.\n\nStore and invoke the callback as bpf_callback_t."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/helpers.c"], "versions": [{"version": "38aa7003e369802f81a078f6673d10d97013f04f", "lessThan": "85a33c910edc3651f68b17ae3c597c012545958f", "status": "affected", "versionType": "git"}, {"version": "38aa7003e369802f81a078f6673d10d97013f04f", "lessThan": "a2cbab47f44e9ea8c5a161ecba1b6bb8535771eb", "status": "affected", "versionType": "git"}, {"version": "38aa7003e369802f81a078f6673d10d97013f04f", "lessThan": "2805abd089576799b15092949420e3f8ba97fabd", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/helpers.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.18", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/85a33c910edc3651f68b17ae3c597c012545958f"}, {"url": "https://git.kernel.org/stable/c/a2cbab47f44e9ea8c5a161ecba1b6bb8535771eb"}, {"url": "https://git.kernel.org/stable/c/2805abd089576799b15092949420e3f8ba97fabd"}], "title": "bpf: Fix CFI mismatch in task work callback", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/bpf/helpers.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "85a33c910edc3651f68b17ae3c597c012545958f", "status": "affected", "version": "38aa7003e369802f81a078f6673d10d97013f04f", "versionType": "git"}, {"lessThan": "a2cbab47f44e9ea8c5a161ecba1b6bb8535771eb", "status": "affected", "version": "38aa7003e369802f81a078f6673d10d97013f04f", "versionType": "git"}, {"lessThan": "2805abd089576799b15092949420e3f8ba97fabd", "status": "affected", "version": "38aa7003e369802f81a078f6673d10d97013f04f", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/bpf/helpers.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"lessThan": "6.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix CFI mismatch in task work callback\n\nBPF subprograms use the bpf_callback_t ABI, but task work invokes the\ncallback through a three-argument function pointer. This trips kCFI.\n\nStore and invoke the callback as bpf_callback_t."}], "id": "CVE-2026-92486", "lastModified": "2026-10-19T09:19:38.910", "metrics": {}, "published": "2026-09-17T17:17:50.697", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2805abd089576799b15092949420e3f8ba97fabd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/85a33c910edc3651f68b17ae3c597c012545958f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a2cbab47f44e9ea8c5a161ecba1b6bb8535771eb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[38aa7003e369802f81a078f6673d10d97013f04f,85a33c910edc3651f68b17ae3c597c012545958f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[38aa7003e369802f81a078f6673d10d97013f04f,a2cbab47f44e9ea8c5a161ecba1b6bb8535771eb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[38aa7003e369802f81a078f6673d10d97013f04f,2805abd089576799b15092949420e3f8ba97fabd)"}}], "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": "6.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-19T10:30:16.616284+00:00", "updated": "2026-09-19T12:45:16.302148+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-760"]}