{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "872254dd6b1f80cb95ee9e2e22980888533fc293"
            },
            {
              "fixed": "698642a01d53107ce9b3fc08bd801284af478a2b"
            },
            {
              "fixed": "ffc5ed59f6dc87c51e8775f002619310225742e8"
            },
            {
              "fixed": "a10570973619cba9dfa6d723177251b846fae587"
            },
            {
              "fixed": "363a38044b8cd5b496d241651a1fb666e7c5fe3e"
            },
            {
              "fixed": "328bb2cff5c2ed973f595ded769e15f4b7a117be"
            },
            {
              "fixed": "63851f60781aa89258c8f0952cd13940aab0888e"
            },
            {
              "fixed": "b117056768ab7deb434e7d72065e48d2083a0c2a"
            },
            {
              "fixed": "b120e4432f9f56c7103133d6a11245e617695adb"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.24"
            },
            {
              "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": "6.6.136"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.83"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.24"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.14"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43103.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lapbether: handle NETDEV_PRE_TYPE_CHANGE\n\nlapbeth_data_transmit() expects the underlying device type\nto be ARPHRD_ETHER.\n\nReturning NOTIFY_BAD from lapbeth_device_event() makes sure\nbonding driver can not break this expectation.",
  "id": "CVE-2026-43103",
  "modified": "2026-07-15T01:48:53.846788819Z",
  "published": "2026-05-06T07:40:32.357Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/328bb2cff5c2ed973f595ded769e15f4b7a117be"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/363a38044b8cd5b496d241651a1fb666e7c5fe3e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/63851f60781aa89258c8f0952cd13940aab0888e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/698642a01d53107ce9b3fc08bd801284af478a2b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a10570973619cba9dfa6d723177251b846fae587"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b117056768ab7deb434e7d72065e48d2083a0c2a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b120e4432f9f56c7103133d6a11245e617695adb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ffc5ed59f6dc87c51e8775f002619310225742e8"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43103.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43103"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "net: lapbether: handle NETDEV_PRE_TYPE_CHANGE"
}