{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "785ea1144182c341b8b85b0f8180291839d176a8"
            },
            {
              "fixed": "9bcebaedfb8479cb4affb23c7a0d000ca9a20e73"
            },
            {
              "fixed": "2edb8aeb3cdda9d00ec4997252dc5bcd6f54d8ef"
            },
            {
              "fixed": "ce0c381199402a2c58f4599f4f6ed100d872d0da"
            },
            {
              "fixed": "866ac1d57040ed0b44ca732e3c66b3aa6b93011c"
            },
            {
              "fixed": "4d420d9ee70a220a2cd95aa0dd2e15acad66a505"
            },
            {
              "fixed": "9cceea8eeba710def2a5707ee00f00c74a9a1cac"
            },
            {
              "fixed": "cf48e75fc4fe0d5cc7721c82d454221d01367b93"
            },
            {
              "fixed": "2d8826a2d3657cea66fb0370f9e521575a673871"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.8.0"
            },
            {
              "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": "6.6.142"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.92"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "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/2026/52xxx/CVE-2026-52922.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: dat: handle forward allocation error\n\nbatadv_dat_forward_data() calls pskb_copy_for_clone() to duplicate an skb\nfor each DHT candidate, but does not check the return value before passing\nit to batadv_send_skb_prepare_unicast_4addr(). That function dereferences\nthe skb unconditionally, so a failed allocation triggers a NULL pointer\ndereference.\n\nSkip forwarding to the current DHT candidate on allocation failure.",
  "id": "CVE-2026-52922",
  "modified": "2026-07-10T03:54:03.563049219Z",
  "published": "2026-06-24T07:14:17.185Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2d8826a2d3657cea66fb0370f9e521575a673871"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2edb8aeb3cdda9d00ec4997252dc5bcd6f54d8ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4d420d9ee70a220a2cd95aa0dd2e15acad66a505"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/866ac1d57040ed0b44ca732e3c66b3aa6b93011c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9bcebaedfb8479cb4affb23c7a0d000ca9a20e73"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9cceea8eeba710def2a5707ee00f00c74a9a1cac"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ce0c381199402a2c58f4599f4f6ed100d872d0da"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cf48e75fc4fe0d5cc7721c82d454221d01367b93"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52922.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-52922"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "batman-adv: dat: handle forward allocation error"
}