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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 6, 2026
First seenMay 6, 2026
How to fix
Update
- linux linux_kernel6.6.136, 6.12.83, 6.18.24, 6.19.14 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.24 ≤ v < 6.6.136, 6.7 ≤ v < 6.12.83, 6.13 ≤ v < 6.18.24, 6.19 ≤ v < 6.19.14, 7.0 | 6.6.136, 6.12.83, 6.18.24, 6.19.14 |
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