CVE-2026-43103

MediumCVSS 5.5/10Last modified Nov 11, 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

VendorProductVersions
LinuxLinux>= 872254dd6b1f80cb95ee9e2e22980888533fc293, < 698642a01d53107ce9b3fc08bd801284af478a2b; >= 872254dd6b1f80cb95ee9e2e22980888533fc293, < ffc5ed59f6dc87c51e8775f002619310225742e8; >= 872254dd6b1f80cb95ee9e2e22980888533fc293, < a10570973619cba9dfa6d723177251b846fae587; >= 872254dd6b1f80cb95ee9e2e22980888533fc293, < 363a38044b8cd5b496d241651a1fb666e7c5fe3e; >= 872254dd6b1f80cb95ee9e2e22980888533fc293, < 328bb2cff5c2ed973f595ded769e15f4b7a117be; >= 872254dd6b1f80cb95ee9e2e22980888533fc293, < 63851f60781aa89258c8f0952cd13940aab0888e; >= 872254dd6b1f80cb95ee9e2e22980888533fc293, < b117056768ab7deb434e7d72065e48d2083a0c2a; >= 872254dd6b1f80cb95ee9e2e22980888533fc293, < b120e4432f9f56c7103133d6a11245e617695adb
LinuxLinux2.6.24

References

Timeline

Published
May 6, 2026
Last modified
Nov 11, 2026
NVD status
Modified

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