{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "857b46027d6f91150797295752581b7155b9d0e1"
            },
            {
              "fixed": "cdb9a25dd3416d427e8b2753210f8baf44207577"
            },
            {
              "fixed": "26ab32ec73941871c97562ee1f39587950dc3b68"
            },
            {
              "fixed": "7b96242ceedfe249f158419f3254bcee04173ffe"
            },
            {
              "fixed": "ecca618e1e339494911090474ed87742c0f73976"
            },
            {
              "fixed": "2aef1b13d5c0285f340512c6c07eb858fd018fd8"
            },
            {
              "fixed": "1dced0725e2fae3ac3416274db20a7ff5a46931d"
            },
            {
              "fixed": "84c422cea5a45fe56be839f25880f21fd33940cd"
            },
            {
              "fixed": "19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.3.0"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.141"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.91"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.33"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52970.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nft_ct: fix missing expect put in obj eval\n\nnft_ct_expect_obj_eval() allocates an expectation and may call\nnf_ct_expect_related(), but never drops its local reference.\n\nAdd nf_ct_expect_put(exp) before return to balance allocation.",
  "id": "CVE-2026-52970",
  "modified": "2026-07-12T03:54:57.783565634Z",
  "published": "2026-06-24T16:28:48.882Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/19f94b6fee75b3ef7fbc06f3745b9a771a8a19a4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1dced0725e2fae3ac3416274db20a7ff5a46931d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/26ab32ec73941871c97562ee1f39587950dc3b68"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2aef1b13d5c0285f340512c6c07eb858fd018fd8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7b96242ceedfe249f158419f3254bcee04173ffe"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/84c422cea5a45fe56be839f25880f21fd33940cd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cdb9a25dd3416d427e8b2753210f8baf44207577"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ecca618e1e339494911090474ed87742c0f73976"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52970.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-52970"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "netfilter: nft_ct: fix missing expect put in obj eval"
}