CVE-2026-43103

EUVD-2026-27616
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
2.6.24 ≤
𝑥
< 6.6.136
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.83
linuxlinux_kernel
6.13 ≤
𝑥
< 6.18.24
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.14
linuxlinux_kernel
7.0:rc1
linuxlinux_kernel
7.0:rc2
linuxlinux_kernel
7.0:rc3
linuxlinux_kernel
7.0:rc4
linuxlinux_kernel
7.0:rc5
linuxlinux_kernel
7.0:rc6
linuxlinux_kernel
7.0:rc7
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
vulnerable
bookworm (security)
vulnerable
bullseye
vulnerable
bullseye (security)
vulnerable
forky
7.0.12-2
fixed
sid
7.0.13-1
fixed
trixie
6.12.86-1
fixed
trixie (security)
6.12.94-1
fixed
Vulnerability Media Exposure
References
https://git.kernel.org/stable/c/328bb2cff5c2ed973f595ded769e15f4b7a117be
https://git.kernel.org/stable/c/363a38044b8cd5b496d241651a1fb666e7c5fe3e
https://git.kernel.org/stable/c/63851f60781aa89258c8f0952cd13940aab0888e
https://git.kernel.org/stable/c/698642a01d53107ce9b3fc08bd801284af478a2b
https://git.kernel.org/stable/c/a10570973619cba9dfa6d723177251b846fae587
https://git.kernel.org/stable/c/b117056768ab7deb434e7d72065e48d2083a0c2a
https://git.kernel.org/stable/c/b120e4432f9f56c7103133d6a11245e617695adb
https://git.kernel.org/stable/c/ffc5ed59f6dc87c51e8775f002619310225742e8