{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-38006",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T04:51:23.977Z",
        "datePublished": "2025-06-18T09:28:17.773Z",
        "dateUpdated": "2026-05-11T21:19:29.451Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:19:29.451Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mctp: Don't access ifa_index when missing\n\nIn mctp_dump_addrinfo, ifa_index can be used to filter interfaces, but\nonly when the struct ifaddrmsg is provided. Otherwise it will be\ncomparing to uninitialised memory - reproducible in the syzkaller case from\ndhcpd, or busybox \"ip addr show\".\n\nThe kernel MCTP implementation has always filtered by ifa_index, so\nexisting userspace programs expecting to dump MCTP addresses must\nalready be passing a valid ifa_index value (either 0 or a real index).\n\nBUG: KMSAN: uninit-value in mctp_dump_addrinfo+0x208/0xac0 net/mctp/device.c:128\n mctp_dump_addrinfo+0x208/0xac0 net/mctp/device.c:128\n rtnl_dump_all+0x3ec/0x5b0 net/core/rtnetlink.c:4380\n rtnl_dumpit+0xd5/0x2f0 net/core/rtnetlink.c:6824\n netlink_dump+0x97b/0x1690 net/netlink/af_netlink.c:2309"
                }
            ],
            "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"
                    ],
                    "versions": [
                        {
                            "version": "583be982d93479ea3d85091b0fd0b01201ede87d",
                            "lessThan": "8ef7b3f0db69e2f4a80be351f6aee9a4c2332ef9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "583be982d93479ea3d85091b0fd0b01201ede87d",
                            "lessThan": "acab78ae12c7fefb4f3bfe22e00770a5faa42724",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "583be982d93479ea3d85091b0fd0b01201ede87d",
                            "lessThan": "d4d1561d17eb72908e4489c0900d96e0484fac20",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "583be982d93479ea3d85091b0fd0b01201ede87d",
                            "lessThan": "24fa213dffa470166ec014f979f36c6ff44afb45",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "583be982d93479ea3d85091b0fd0b01201ede87d",
                            "lessThan": "f11cf946c0a92c560a890d68e4775723353599e1",
                            "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"
                    ],
                    "versions": [
                        {
                            "version": "5.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.92",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.30",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14.8",
                            "lessThanOrEqual": "6.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15",
                            "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": "5.15.203"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "6.6.92"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "6.12.30"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "6.14.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "6.15"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/8ef7b3f0db69e2f4a80be351f6aee9a4c2332ef9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/acab78ae12c7fefb4f3bfe22e00770a5faa42724"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d4d1561d17eb72908e4489c0900d96e0484fac20"
                },
                {
                    "url": "https://git.kernel.org/stable/c/24fa213dffa470166ec014f979f36c6ff44afb45"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f11cf946c0a92c560a890d68e4775723353599e1"
                }
            ],
            "title": "net: mctp: Don't access ifa_index when missing",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}