{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45930", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.086Z", "datePublished": "2026-05-27T12:17:48.689Z", "dateUpdated": "2026-05-27T12:17:48.689Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:17:48.689Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mctp: ensure our nlmsg responses are initialised\n\nSyed Faraz Abrar (@farazsth98) from Zellic, and Pumpkin (@u1f383) from\nDEVCORE Research Team working with Trend Micro Zero Day Initiative\nreport that a RTM_GETNEIGH will return uninitalised data in the pad\nbytes of the ndmsg data.\n\nEnsure we're initialising the netlink data to zero, in the link, addr\nand neigh response messages."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mctp/device.c", "net/mctp/neigh.c", "net/mctp/route.c"], "versions": [{"version": "583be982d93479ea3d85091b0fd0b01201ede87d", "lessThan": "6fb6a97c86abb8592158088afaea0eb464cf9de1", "status": "affected", "versionType": "git"}, {"version": "583be982d93479ea3d85091b0fd0b01201ede87d", "lessThan": "a6a9bc544b675d8b5180f2718ec985ad267b5cbf", "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/mctp/device.c", "net/mctp/neigh.c", "net/mctp/route.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "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": "5.15", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6fb6a97c86abb8592158088afaea0eb464cf9de1"}, {"url": "https://git.kernel.org/stable/c/a6a9bc544b675d8b5180f2718ec985ad267b5cbf"}], "title": "net: mctp: ensure our nlmsg responses are initialised", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mctp: ensure our nlmsg responses are initialised\n\nSyed Faraz Abrar (@farazsth98) from Zellic, and Pumpkin (@u1f383) from\nDEVCORE Research Team working with Trend Micro Zero Day Initiative\nreport that a RTM_GETNEIGH will return uninitalised data in the pad\nbytes of the ndmsg data.\n\nEnsure we're initialising the netlink data to zero, in the link, addr\nand neigh response messages."}], "id": "CVE-2026-45930", "lastModified": "2026-05-27T14:48:03.013", "metrics": {}, "published": "2026-05-27T14:17:08.947", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6fb6a97c86abb8592158088afaea0eb464cf9de1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a6a9bc544b675d8b5180f2718ec985ad267b5cbf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{}