{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "fdacd57c79b79a03c7ca88f706ad9fb7b46831c1"
            },
            {
              "fixed": "86ee5bc9c0f0e652e19f395675a432de11b75514"
            },
            {
              "fixed": "8026e5163cca1d1db436c7bfb89ddea8b5e8c2cf"
            },
            {
              "fixed": "b4597d5fd7d2f8cebfffd40dffb5e003cc78964c"
            }
          ],
          "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": "6.18.34"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64078.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: x_tables: add and use xtables_unregister_table_exit\n\nPrevious change added xtables_unregister_table_pre_exit to detach the\ntable from the packetpath and to unlink it from the active table list.\nIn case of rmmod, userspace that is doing set/getsockopt for this table\nwill not be able to re-instantiate the table:\n 1. The larval table has been removed already\n 2. existing instantiated table is no longer on the xt pernet table list.\n\nThis adds the second stage helper:\n\nunlink the table from the dying list, free the hook ops (if any) and do\nthe audit notification.  It replaces xt_unregister_table().",
  "id": "CVE-2026-64078",
  "modified": "2026-07-22T05:29:39.734418719Z",
  "published": "2026-07-19T15:39:51.582Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8026e5163cca1d1db436c7bfb89ddea8b5e8c2cf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/86ee5bc9c0f0e652e19f395675a432de11b75514"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b4597d5fd7d2f8cebfffd40dffb5e003cc78964c"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64078.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64078"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "netfilter: x_tables: add and use xtables_unregister_table_exit"
}