{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "076a0ca02644657b13e4af363f487ced2942e9cb"
            },
            {
              "fixed": "39cb6ff947c16a576ea68c5f272e634acdcb0085"
            },
            {
              "fixed": "90545aa07a183887e9d72ce573c18e08f62e2c91"
            },
            {
              "fixed": "9c11d7ea5ff4dbe162e79f00188814ef5483c295"
            },
            {
              "fixed": "b7f3ee925aee9f1f547d539bc03c35433c238958"
            },
            {
              "fixed": "824397af7bfe14edad374c64253dae0187ca623d"
            },
            {
              "fixed": "a39ecb856514274c80d0fac4d128dba6b266a8ed"
            },
            {
              "fixed": "241ccd2fed9051db443aadce248fc0ab30f55e97"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.4.0"
            },
            {
              "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": "6.12.111"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.53"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98873.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_conntrack_expect: zero at allocation time\n\nThere are occasional LLM hints wrt. leaking uninitialized data to\nuserspace via ctnetlink.  Just zero at allocation time,\nexpectations are not frequently used these days.\n\nIntentionally keeps _init as-is because we could theoretically\nsupport re-init, so add the missing exp-\u003edir there.",
  "id": "CVE-2026-98873",
  "modified": "2026-10-28T02:31:01.125024714Z",
  "published": "2026-10-23T11:37:14.109Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/241ccd2fed9051db443aadce248fc0ab30f55e97"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/39cb6ff947c16a576ea68c5f272e634acdcb0085"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/824397af7bfe14edad374c64253dae0187ca623d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/90545aa07a183887e9d72ce573c18e08f62e2c91"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9c11d7ea5ff4dbe162e79f00188814ef5483c295"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a39ecb856514274c80d0fac4d128dba6b266a8ed"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b7f3ee925aee9f1f547d539bc03c35433c238958"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98873.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98873"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.2",
  "summary": "netfilter: nf_conntrack_expect: zero at allocation time"
}