CVE-2026-90421

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90421", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.814Z", "datePublished": "2026-09-17T16:09:45.185Z", "dateUpdated": "2026-10-30T12:35:34.567Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:35:34.567Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: Fix UAF when probe runs concurrent to dyn ID removal\n\nDynamic IDs are only guaranteed to be valid when dynids.lock is held,\nas remove_id_store() can free the node. Thus, make a copy in\npci_match_device(). Also, clarify that the id parameter is only valid\nduring probe."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pci/pci-driver.c", "include/linux/pci.h"], "versions": [{"version": "0994375e9614f78657031e04e30019b9cdb62795", "lessThan": "74133e74619d108eeaaa787d78906314d7a7b077", "status": "affected", "versionType": "git"}, {"version": "0994375e9614f78657031e04e30019b9cdb62795", "lessThan": "d867db0a2602919510f346bc555f7b3093f6b6cc", "status": "affected", "versionType": "git"}, {"version": "0994375e9614f78657031e04e30019b9cdb62795", "lessThan": "2cbcb0819c6367e1d5b0792a960594cc19576e23", "status": "affected", "versionType": "git"}, {"version": "0994375e9614f78657031e04e30019b9cdb62795", "lessThan": "c36816feff47f676dcc51919777d483f4146c1ee", "status": "affected", "versionType": "git"}, {"version": "0994375e9614f78657031e04e30019b9cdb62795", "lessThan": "42a5661ff7e4c7d3c5025d0f8e5079fb5479ea49", "status": "affected", "versionType": "git"}, {"version": "0994375e9614f78657031e04e30019b9cdb62795", "lessThan": "3ffc4c9690c33ee28cdb3d0182b12f9c623e3acc", "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/pci/pci-driver.c", "include/linux/pci.h"], "versions": [{"version": "2.6.30", "status": "affected"}, {"version": "0", "lessThan": "2.6.30", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.57", "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": "2.6.30", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "6.18.57"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.30", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/74133e74619d108eeaaa787d78906314d7a7b077"}, {"url": "https://git.kernel.org/stable/c/d867db0a2602919510f346bc555f7b3093f6b6cc"}, {"url": "https://git.kernel.org/stable/c/2cbcb0819c6367e1d5b0792a960594cc19576e23"}, {"url": "https://git.kernel.org/stable/c/c36816feff47f676dcc51919777d483f4146c1ee"}, {"url": "https://git.kernel.org/stable/c/42a5661ff7e4c7d3c5025d0f8e5079fb5479ea49"}, {"url": "https://git.kernel.org/stable/c/3ffc4c9690c33ee28cdb3d0182b12f9c623e3acc"}], "title": "PCI: Fix UAF when probe runs concurrent to dyn ID removal", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/pci/pci-driver.c", "include/linux/pci.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "74133e74619d108eeaaa787d78906314d7a7b077", "status": "affected", "version": "0994375e9614f78657031e04e30019b9cdb62795", "versionType": "git"}, {"lessThan": "d867db0a2602919510f346bc555f7b3093f6b6cc", "status": "affected", "version": "0994375e9614f78657031e04e30019b9cdb62795", "versionType": "git"}, {"lessThan": "2cbcb0819c6367e1d5b0792a960594cc19576e23", "status": "affected", "version": "0994375e9614f78657031e04e30019b9cdb62795", "versionType": "git"}, {"lessThan": "c36816feff47f676dcc51919777d483f4146c1ee", "status": "affected", "version": "0994375e9614f78657031e04e30019b9cdb62795", "versionType": "git"}, {"lessThan": "42a5661ff7e4c7d3c5025d0f8e5079fb5479ea49", "status": "affected", "version": "0994375e9614f78657031e04e30019b9cdb62795", "versionType": "git"}, {"lessThan": "3ffc4c9690c33ee28cdb3d0182b12f9c623e3acc", "status": "affected", "version": "0994375e9614f78657031e04e30019b9cdb62795", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/pci/pci-driver.c", "include/linux/pci.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.30"}, {"lessThan": "2.6.30", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.57", "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\nPCI: Fix UAF when probe runs concurrent to dyn ID removal\n\nDynamic IDs are only guaranteed to be valid when dynids.lock is held,\nas remove_id_store() can free the node. Thus, make a copy in\npci_match_device(). Also, clarify that the id parameter is only valid\nduring probe."}], "id": "CVE-2026-90421", "lastModified": "2026-10-30T13:20:52.870", "metrics": {}, "published": "2026-09-17T17:17:46.623", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2cbcb0819c6367e1d5b0792a960594cc19576e23"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3ffc4c9690c33ee28cdb3d0182b12f9c623e3acc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/42a5661ff7e4c7d3c5025d0f8e5079fb5479ea49"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/74133e74619d108eeaaa787d78906314d7a7b077"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c36816feff47f676dcc51919777d483f4146c1ee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d867db0a2602919510f346bc555f7b3093f6b6cc"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0994375e9614f78657031e04e30019b9cdb62795,42a5661ff7e4c7d3c5025d0f8e5079fb5479ea49)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0994375e9614f78657031e04e30019b9cdb62795,3ffc4c9690c33ee28cdb3d0182b12f9c623e3acc)"}}], "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": "semver", "value": "2.6.30"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.30)"}}, {"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": "2026-09-19T09:45:03.791484+00:00", "updated": "2026-09-19T13:00:12.305285+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416"]}