{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "583be982d93479ea3d85091b0fd0b01201ede87d"
            },
            {
              "fixed": "b37da3ac099e145bcd3be82c745a8d335772e3af"
            },
            {
              "fixed": "c4f840437e7641764de15f2de951ac8335d641f1"
            },
            {
              "fixed": "963537a26fd892f7e414a091f807b44aeee97a7d"
            },
            {
              "fixed": "976612471a9e6ead6ceffc241e4d0a1aac90b36a"
            },
            {
              "fixed": "54ed418de62a148a655262da682a050fa05f7924"
            },
            {
              "fixed": "6fb6a97c86abb8592158088afaea0eb464cf9de1"
            },
            {
              "fixed": "a6a9bc544b675d8b5180f2718ec985ad267b5cbf"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.15.0"
            },
            {
              "fixed": "5.15.210"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.143"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.93"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.35"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45930.json"
  },
  "details": "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",
  "modified": "2026-07-15T01:48:55.113643976Z",
  "published": "2026-05-27T12:17:48.689Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/54ed418de62a148a655262da682a050fa05f7924"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6fb6a97c86abb8592158088afaea0eb464cf9de1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/963537a26fd892f7e414a091f807b44aeee97a7d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/976612471a9e6ead6ceffc241e4d0a1aac90b36a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a6a9bc544b675d8b5180f2718ec985ad267b5cbf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b37da3ac099e145bcd3be82c745a8d335772e3af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c4f840437e7641764de15f2de951ac8335d641f1"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45930.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45930"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "net: mctp: ensure our nlmsg responses are initialised"
}