{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "30dc5e63d6a5ad24894b5512d10b228d73645a44"
            },
            {
              "fixed": "52c13c63bb3662c108244e7447055e30bf40244e"
            },
            {
              "fixed": "8a91609032d47e77bcb37bc8f6e88d89340d2709"
            },
            {
              "fixed": "ce8a379598bd4058081416abea4279fd05a95374"
            },
            {
              "fixed": "2fbac8a56004b6ce54fbfe845d4b25da6e0b55e8"
            },
            {
              "fixed": "88e429a4e9bac3d2138011c5ca06254331f2587f"
            },
            {
              "fixed": "e15eb536be4f646ce683d2867572b2200be877f7"
            },
            {
              "fixed": "117871cdb8927542abd7b65ce5995bf0265a8c05"
            },
            {
              "fixed": "33fb59da49c4c3f5c2ec9f9d4447a56857a02c02"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.16.0"
            },
            {
              "fixed": "5.10.271"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.222"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.189"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.158"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.112"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.54"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98252.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: fix refcount bug in iwpm_get_nlmsg_request()\n\niwpm_get_nlmsg_request() initializes refcount _after_ list_add_tail()\nmaking it accessible to global list where another CPU can kref_get()\non nlmsg_request causing a refcount \"addition on 0\" bug. Fix this\nby initializing kref _before_ list_add_tail() so refcount for\nnlmsg_request can be incremented/decremented normally. In addition,\nalso initialize every field before list_add_tail().",
  "id": "CVE-2026-98252",
  "modified": "2026-10-09T02:30:33.547405319Z",
  "published": "2026-10-06T08:45:19.393Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/117871cdb8927542abd7b65ce5995bf0265a8c05"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2fbac8a56004b6ce54fbfe845d4b25da6e0b55e8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/33fb59da49c4c3f5c2ec9f9d4447a56857a02c02"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/52c13c63bb3662c108244e7447055e30bf40244e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/88e429a4e9bac3d2138011c5ca06254331f2587f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a91609032d47e77bcb37bc8f6e88d89340d2709"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ce8a379598bd4058081416abea4279fd05a95374"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e15eb536be4f646ce683d2867572b2200be877f7"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98252.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98252"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "RDMA/core: fix refcount bug in iwpm_get_nlmsg_request()"
}