{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "be1db4f6615b5e6156c807ea8985171c215c2d57"
            },
            {
              "fixed": "da3677b5ed362742d30ceab31bfafcdc74dc2642"
            },
            {
              "fixed": "6d3ea37074bb747f745d28138f87745ba9bd97c5"
            },
            {
              "fixed": "7913935d41f166c367bbf7cc76a79e50044388e8"
            },
            {
              "fixed": "3c62694c31f043568c3f4784b8d247cc3bea6b4c"
            },
            {
              "fixed": "5836a050d02e9598fa0f71e88dde28b63dfa35e3"
            },
            {
              "fixed": "8f76277d02176cd739945bba3379448e2e22e799"
            },
            {
              "fixed": "4407ff3af469356f9641c4a6e7072309bae86bea"
            },
            {
              "fixed": "26560c4a03dc4d607331600c187f59ab2df5f341"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.13.0"
            },
            {
              "fixed": "5.10.261"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80599.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: dat: ensure accessible eth_hdr proto field\n\nWhen batadv_get_vid() accesses the proto field of the ethernet header, it\nis not checking if the data itself is accessible. The caller is responsible\nfor it. But in contrast to other call sites, batadv_dat_get_vid() and its\ncaller didn't make sure this is true. This could have caused an\nout-of-bounds access.",
  "id": "CVE-2026-80599",
  "modified": "2026-08-31T03:30:47.986372207Z",
  "published": "2026-08-28T06:48:26.709Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/26560c4a03dc4d607331600c187f59ab2df5f341"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3c62694c31f043568c3f4784b8d247cc3bea6b4c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4407ff3af469356f9641c4a6e7072309bae86bea"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5836a050d02e9598fa0f71e88dde28b63dfa35e3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6d3ea37074bb747f745d28138f87745ba9bd97c5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7913935d41f166c367bbf7cc76a79e50044388e8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8f76277d02176cd739945bba3379448e2e22e799"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/da3677b5ed362742d30ceab31bfafcdc74dc2642"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80599.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-80599"
    },
    {
      "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:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "batman-adv: dat: ensure accessible eth_hdr proto field"
}