{"id":"CVE-2026-43103","summary":"net: lapbether: handle NETDEV_PRE_TYPE_CHANGE","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.","modified":"2026-07-15T01:48:53.846788819Z","published":"2026-05-06T07:40:32.357Z","related":["CGA-4qr5-xjpg-v4jw"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43103.json"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"872254dd6b1f80cb95ee9e2e22980888533fc293"},{"fixed":"698642a01d53107ce9b3fc08bd801284af478a2b"},{"fixed":"ffc5ed59f6dc87c51e8775f002619310225742e8"},{"fixed":"a10570973619cba9dfa6d723177251b846fae587"},{"fixed":"363a38044b8cd5b496d241651a1fb666e7c5fe3e"},{"fixed":"328bb2cff5c2ed973f595ded769e15f4b7a117be"},{"fixed":"63851f60781aa89258c8f0952cd13940aab0888e"},{"fixed":"b117056768ab7deb434e7d72065e48d2083a0c2a"},{"fixed":"b120e4432f9f56c7103133d6a11245e617695adb"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43103.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","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"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43103.json"}}],"schema_version":"1.7.5"}