CVE-2026-43103

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected software

No affected versions have been published.

Timeline

Published
May 6, 2026
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2026-43103: Medium severity, CVSS 5.5 | Vulnix