{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43373", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.006Z", "datePublished": "2026-05-08T14:21:23.875Z", "dateUpdated": "2026-05-08T14:21:23.875Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-08T14:21:23.875Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ncsi: fix skb leak in error paths\n\nEarly return paths in NCSI RX and AEN handlers fail to release\nthe received skb, resulting in a memory leak.\n\nSpecifically, ncsi_aen_handler() returns on invalid AEN packets\nwithout consuming the skb. Similarly, ncsi_rcv_rsp() exits early\nwhen failing to resolve the NCSI device, response handler, or\nrequest, leaving the skb unfreed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ncsi/ncsi-aen.c", "net/ncsi/ncsi-rsp.c"], "versions": [{"version": "138635cc27c9737f940c3aa80912ff7a61c825af", "lessThan": "9891d7f4f1ede473c54b49776ae07755083eef06", "status": "affected", "versionType": "git"}, {"version": "138635cc27c9737f940c3aa80912ff7a61c825af", "lessThan": "fef5aa6e3bcf3c8053307642663a63b7362d7552", "status": "affected", "versionType": "git"}, {"version": "138635cc27c9737f940c3aa80912ff7a61c825af", "lessThan": "81d6aee32f8f7bbc175c05dbf61f4430bfb88c4a", "status": "affected", "versionType": "git"}, {"version": "138635cc27c9737f940c3aa80912ff7a61c825af", "lessThan": "59962588197863d0d746879f193905c0c6b3df49", "status": "affected", "versionType": "git"}, {"version": "138635cc27c9737f940c3aa80912ff7a61c825af", "lessThan": "553366c271479c0d571dd1bb5d1bcde4747fb82e", "status": "affected", "versionType": "git"}, {"version": "138635cc27c9737f940c3aa80912ff7a61c825af", "lessThan": "b70c4e5e711931cdd56e6e905737b72f1e649189", "status": "affected", "versionType": "git"}, {"version": "138635cc27c9737f940c3aa80912ff7a61c825af", "lessThan": "87138dde2d6937b12b967f28fe598a7d59000ae4", "status": "affected", "versionType": "git"}, {"version": "138635cc27c9737f940c3aa80912ff7a61c825af", "lessThan": "5c3398a54266541610c8d0a7082e654e9ff3e259", "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/ncsi/ncsi-aen.c", "net/ncsi/ncsi-rsp.c"], "versions": [{"version": "4.8", "status": "affected"}, {"version": "0", "lessThan": "4.8", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.253", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.203", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.167", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.130", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.78", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.19", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.9", "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": "4.8", "versionEndExcluding": "5.10.253"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "5.15.203"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.1.167"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.6.130"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.12.78"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.18.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.19.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9891d7f4f1ede473c54b49776ae07755083eef06"}, {"url": "https://git.kernel.org/stable/c/fef5aa6e3bcf3c8053307642663a63b7362d7552"}, {"url": "https://git.kernel.org/stable/c/81d6aee32f8f7bbc175c05dbf61f4430bfb88c4a"}, {"url": "https://git.kernel.org/stable/c/59962588197863d0d746879f193905c0c6b3df49"}, {"url": "https://git.kernel.org/stable/c/553366c271479c0d571dd1bb5d1bcde4747fb82e"}, {"url": "https://git.kernel.org/stable/c/b70c4e5e711931cdd56e6e905737b72f1e649189"}, {"url": "https://git.kernel.org/stable/c/87138dde2d6937b12b967f28fe598a7d59000ae4"}, {"url": "https://git.kernel.org/stable/c/5c3398a54266541610c8d0a7082e654e9ff3e259"}], "title": "net: ncsi: fix skb leak in error paths", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ncsi: fix skb leak in error paths\n\nEarly return paths in NCSI RX and AEN handlers fail to release\nthe received skb, resulting in a memory leak.\n\nSpecifically, ncsi_aen_handler() returns on invalid AEN packets\nwithout consuming the skb. Similarly, ncsi_rcv_rsp() exits early\nwhen failing to resolve the NCSI device, response handler, or\nrequest, leaving the skb unfreed."}], "id": "CVE-2026-43373", "lastModified": "2026-05-08T15:16:48.423", "metrics": {}, "published": "2026-05-08T15:16:48.423", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/553366c271479c0d571dd1bb5d1bcde4747fb82e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/59962588197863d0d746879f193905c0c6b3df49"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5c3398a54266541610c8d0a7082e654e9ff3e259"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/81d6aee32f8f7bbc175c05dbf61f4430bfb88c4a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/87138dde2d6937b12b967f28fe598a7d59000ae4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9891d7f4f1ede473c54b49776ae07755083eef06"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b70c4e5e711931cdd56e6e905737b72f1e649189"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fef5aa6e3bcf3c8053307642663a63b7362d7552"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}