{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-40187", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.177Z", "datePublished": "2025-11-12T21:56:29.504Z", "dateUpdated": "2026-05-11T21:44:26.605Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:44:26.605Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()\n\nIf new_asoc->peer.adaptation_ind=0 and sctp_ulpevent_make_authkey=0\nand sctp_ulpevent_make_authkey() returns 0, then the variable\nai_ev remains zero and the zero will be dereferenced\nin the sctp_ulpevent_free() function."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sctp/sm_statefuns.c"], "versions": [{"version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b", "lessThan": "1014b83778c8677f1d7a57c26dc728baa801ac62", "status": "affected", "versionType": "git"}, {"version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b", "lessThan": "7f702f85df0266ed7b5bab81ba50394c92f3c928", "status": "affected", "versionType": "git"}, {"version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b", "lessThan": "dbceedc0213e75bf3e9f9f9e2f66b10699d004fe", "status": "affected", "versionType": "git"}, {"version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b", "lessThan": "025419f4e216a3ae0d0cec622262e98e8078c447", "status": "affected", "versionType": "git"}, {"version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b", "lessThan": "c21f45cfa4a9526b34d76b397c9ef080668b6e73", "status": "affected", "versionType": "git"}, {"version": "30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b", "lessThan": 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"status": "unaffected", "versionType": "semver"}, {"version": "6.1.157", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.113", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.54", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.4", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18", "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": "4.17", "versionEndExcluding": "5.4.301"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17", "versionEndExcluding": "5.10.246"}, {"vulnerable": true, "criteria": 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"https://git.kernel.org/stable/c/7f702f85df0266ed7b5bab81ba50394c92f3c928"}, {"url": "https://git.kernel.org/stable/c/dbceedc0213e75bf3e9f9f9e2f66b10699d004fe"}, {"url": "https://git.kernel.org/stable/c/025419f4e216a3ae0d0cec622262e98e8078c447"}, {"url": "https://git.kernel.org/stable/c/c21f45cfa4a9526b34d76b397c9ef080668b6e73"}, {"url": "https://git.kernel.org/stable/c/d0e8f1445c19b1786759ba72a38267e1449bab7e"}, {"url": "https://git.kernel.org/stable/c/badbd79313e6591616c1b78e29a9b71efed7f035"}, {"url": "https://git.kernel.org/stable/c/2f3119686ef50319490ccaec81a575973da98815"}], "title": "net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()\n\nIf new_asoc->peer.adaptation_ind=0 and sctp_ulpevent_make_authkey=0\nand sctp_ulpevent_make_authkey() returns 0, then the variable\nai_ev remains zero and the zero will be dereferenced\nin the sctp_ulpevent_free() function."}], "id": "CVE-2025-40187", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-11-12T22:15:45.577", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/025419f4e216a3ae0d0cec622262e98e8078c447"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1014b83778c8677f1d7a57c26dc728baa801ac62"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2f3119686ef50319490ccaec81a575973da98815"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7f702f85df0266ed7b5bab81ba50394c92f3c928"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/badbd79313e6591616c1b78e29a9b71efed7f035"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c21f45cfa4a9526b34d76b397c9ef080668b6e73"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d0e8f1445c19b1786759ba72a38267e1449bab7e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dbceedc0213e75bf3e9f9f9e2f66b10699d004fe"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()", "id": "2414746", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2414746"}, "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"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-40187", "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": "Out of support scope", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "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": "2025-11-12T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-40187\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-40187\nhttps://lore.kernel.org/linux-cve-announce/2025111244-CVE-2025-40187-7826@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-11-13T09:52:25.928927+00:00", "updated": "2025-11-13T09:52:25.928959+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}