CVE-2026-43103

MEDIUM

net: lapbether: handle NETDEV_PRE_TYPE_CHANGE

Title source: cna
STIX 2.1

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 (8)

Core 8

Scores

CVSS v3 5.5
EPSS 0.0012
EPSS Percentile 2.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (27)
linux/Kernel 2.6.24 - 5.10.258linux
linux/Kernel 5.11.0 - 5.15.209linux
linux/Kernel 5.16.0 - 6.1.175linux
linux/Kernel 6.13.0 - 6.18.24linux
linux/Kernel 6.19.0 - 6.19.14linux
linux/Kernel 6.2.0 - 6.6.136linux
linux/Kernel 6.7.0 - 6.12.83linux
Linux/Linux < 2.6.24
Linux/Linux 2.6.24
Linux/Linux 5.10.258 - 5.10.*
... and 17 more
Published May 06, 2026
Tracked Since May 06, 2026