{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4d44175aa5bb5f68772b1eb0306554812294ca52"
            },
            {
              "fixed": "1948e4f85b855618b5b9a27265f98d816f4cb7cb"
            },
            {
              "fixed": "63ba12b664a2cd3220ed43e22c717715f4cc2ae8"
            },
            {
              "fixed": "7d4789b58761d9d48d9b5f5e7e0a510c3bbfb3af"
            },
            {
              "fixed": "f4f699790590bd0896c48a71e9232a65198f92f0"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.1.0"
            },
            {
              "fixed": "6.12.103"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.44"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74565.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: make nft_object rhltable per table\n\nThe nft_object rhltable is global, this allows for accessing objects\nthat are being dismangled from lookup path by other existing netns.\nGiven the nft_obj_destroy() releases the object inmediately, this might\nlead to use-after-free of these objects that are being released.\nMake the existing rhltable per table to address this issue to deal with\nwith the nft_rcv_nl_event() path too.\n\nUpdate nft_obj_lookup() to take the table as non-const, otherwise,\ncompiler complains when passing the objname_ht to rhltable_lookup().",
  "id": "CVE-2026-74565",
  "modified": "2026-08-18T03:30:59.176259388Z",
  "published": "2026-08-15T12:28:07.015Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1948e4f85b855618b5b9a27265f98d816f4cb7cb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/63ba12b664a2cd3220ed43e22c717715f4cc2ae8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d4789b58761d9d48d9b5f5e7e0a510c3bbfb3af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f4f699790590bd0896c48a71e9232a65198f92f0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74565.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74565"
    },
    {
      "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:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "netfilter: nf_tables: make nft_object rhltable per table"
}