{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97998", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:18:58.209Z", "datePublished": "2026-09-25T10:23:28.074Z", "dateUpdated": "2026-09-25T10:23:28.074Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-25T10:23:28.074Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nfnetlink_log: cope with concurrent instance destruction\n\nInstances are refcounted. However, only memory release happens on the\n1 -> 0 transition; the unlink from hashes can occur with any refcount.\n\nUncooperative userspace can force a situation where a queue is pending\nfor destruction from netlink event while a different socket with same\nportid processes an UNBIND request.\n\nWith right timing, this will unhash the instance again:\n\nOops: general protection fault, [..]\nCall Trace:\n <TASK>\n nfulnl_recv_config+0x31a/0xd50\n nfnetlink_rcv_msg+0x7c2/0xeb0"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/nfnetlink_log.c"], "versions": [{"version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd", "lessThan": "0234d7ca0317be0a623300e1693cd794bbfdf8af", "status": "affected", "versionType": "git"}, {"version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd", "lessThan": "1a7a8ac9a9f0ad0d410c901cb6f233833518844c", "status": "affected", "versionType": "git"}, {"version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd", "lessThan": "e2dd0f1f8c4e6334699ea6382e52f6da0c7e45eb", "status": "affected", "versionType": "git"}, {"version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd", "lessThan": "387d744fa7e499d2c3748a4e60e02ebb24e7fb16", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/nfnetlink_log.c"], "versions": [{"version": "2.6.14", "status": "affected"}, {"version": "0", "lessThan": "2.6.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.111", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.7", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc3", "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": "2.6.14", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "7.3-rc3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/0234d7ca0317be0a623300e1693cd794bbfdf8af"}, {"url": "https://git.kernel.org/stable/c/1a7a8ac9a9f0ad0d410c901cb6f233833518844c"}, {"url": "https://git.kernel.org/stable/c/e2dd0f1f8c4e6334699ea6382e52f6da0c7e45eb"}, {"url": "https://git.kernel.org/stable/c/387d744fa7e499d2c3748a4e60e02ebb24e7fb16"}], "title": "netfilter: nfnetlink_log: cope with concurrent instance destruction", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/netfilter/nfnetlink_log.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "0234d7ca0317be0a623300e1693cd794bbfdf8af", "status": "affected", "version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd", "versionType": "git"}, {"lessThan": "1a7a8ac9a9f0ad0d410c901cb6f233833518844c", "status": "affected", "version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd", "versionType": "git"}, {"lessThan": "e2dd0f1f8c4e6334699ea6382e52f6da0c7e45eb", "status": "affected", "version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd", "versionType": "git"}, {"lessThan": "387d744fa7e499d2c3748a4e60e02ebb24e7fb16", "status": "affected", "version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/netfilter/nfnetlink_log.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.14"}, {"lessThan": "2.6.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.111", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc3", "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\nnetfilter: nfnetlink_log: cope with concurrent instance destruction\n\nInstances are refcounted. However, only memory release happens on the\n1 -> 0 transition; the unlink from hashes can occur with any refcount.\n\nUncooperative userspace can force a situation where a queue is pending\nfor destruction from netlink event while a different socket with same\nportid processes an UNBIND request.\n\nWith right timing, this will unhash the instance again:\n\nOops: general protection fault, [..]\nCall Trace:\n <TASK>\n nfulnl_recv_config+0x31a/0xd50\n nfnetlink_rcv_msg+0x7c2/0xeb0"}], "id": "CVE-2026-97998", "lastModified": "2026-09-25T11:17:28.107", "metrics": {}, "published": "2026-09-25T11:17:28.107", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0234d7ca0317be0a623300e1693cd794bbfdf8af"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1a7a8ac9a9f0ad0d410c901cb6f233833518844c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/387d744fa7e499d2c3748a4e60e02ebb24e7fb16"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e2dd0f1f8c4e6334699ea6382e52f6da0c7e45eb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0597f2680d666a3bcf101ac0c771ba7e50016bbd,0234d7ca0317be0a623300e1693cd794bbfdf8af)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0597f2680d666a3bcf101ac0c771ba7e50016bbd,1a7a8ac9a9f0ad0d410c901cb6f233833518844c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0597f2680d666a3bcf101ac0c771ba7e50016bbd,e2dd0f1f8c4e6334699ea6382e52f6da0c7e45eb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0597f2680d666a3bcf101ac0c771ba7e50016bbd,387d744fa7e499d2c3748a4e60e02ebb24e7fb16)"}}], "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": "2.6.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.111,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.7,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc3,*]"}}], "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": "2026-09-25T15:30:06.908576+00:00", "updated": "2026-09-26T00:30:18.364342+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}