{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c6c8fea29769d998d94fcec9b9f14d4b52b349d3"
            },
            {
              "fixed": "867cd090760e8f5cd206f387b47ff9c56fac04e9"
            },
            {
              "fixed": "10bb1f366d884d506c38a947b43026a75d1afe9a"
            },
            {
              "fixed": "96c9c0ed9a9579a9085765aceaa4556a6666eb82"
            },
            {
              "fixed": "f61499359fa529f0d45a53bf7c573a49eb6322e6"
            },
            {
              "fixed": "974542d1efc48b7e9fe16184e647615cba39969b"
            },
            {
              "fixed": "bf872db54f91ffe70104b98c20068b2d5910e018"
            },
            {
              "fixed": "b252797bfced986d6d92ec2f4cfcca842ce8aa78"
            },
            {
              "fixed": "0799e5943611006b346b8813c7daf7dd5aa26bfd"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.38"
            },
            {
              "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": "6.6.140"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.90"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.32"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46198.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: fix integer overflow on buff_pos\n\nFixing an integer overflow present in batadv_iv_ogm_send_to_if. The size\ncheck is done using the int type in batadv_iv_ogm_aggr_packet whereas the\nbuff_pos variable uses the s16 type. This could lead to an out-of-bound\nread.",
  "id": "CVE-2026-46198",
  "modified": "2026-07-15T01:48:56.297285677Z",
  "published": "2026-05-28T09:40:14.558Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0799e5943611006b346b8813c7daf7dd5aa26bfd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/10bb1f366d884d506c38a947b43026a75d1afe9a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/867cd090760e8f5cd206f387b47ff9c56fac04e9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/96c9c0ed9a9579a9085765aceaa4556a6666eb82"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/974542d1efc48b7e9fe16184e647615cba39969b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b252797bfced986d6d92ec2f4cfcca842ce8aa78"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bf872db54f91ffe70104b98c20068b2d5910e018"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f61499359fa529f0d45a53bf7c573a49eb6322e6"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46198.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46198"
    },
    {
      "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:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "batman-adv: fix integer overflow on buff_pos"
}