CVE-2026-43103

medium

Description

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: handle NETDEV_PRE_TYPE_CHANGE lapbeth_data_transmit() expects the underlying device type to be ARPHRD_ETHER. Returning NOTIFY_BAD from lapbeth_device_event() makes sure bonding driver can not break this expectation.

References

https://git.kernel.org/stable/c/b120e4432f9f56c7103133d6a11245e617695adb

https://git.kernel.org/stable/c/b117056768ab7deb434e7d72065e48d2083a0c2a

https://git.kernel.org/stable/c/63851f60781aa89258c8f0952cd13940aab0888e

https://git.kernel.org/stable/c/363a38044b8cd5b496d241651a1fb666e7c5fe3e

https://git.kernel.org/stable/c/328bb2cff5c2ed973f595ded769e15f4b7a117be

Details

Source: Mitre, NVD

Published: 2026-05-06

Updated: 2026-05-06

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018