CVE-2026-43103

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/328bb2cff5c2ed973f595ded769e15f4b7a117be	Patch
https://git.kernel.org/stable/c/363a38044b8cd5b496d241651a1fb666e7c5fe3e	Patch
https://git.kernel.org/stable/c/63851f60781aa89258c8f0952cd13940aab0888e	Patch
https://git.kernel.org/stable/c/698642a01d53107ce9b3fc08bd801284af478a2b
https://git.kernel.org/stable/c/a10570973619cba9dfa6d723177251b846fae587
https://git.kernel.org/stable/c/b117056768ab7deb434e7d72065e48d2083a0c2a	Patch
https://git.kernel.org/stable/c/b120e4432f9f56c7103133d6a11245e617695adb	Patch
https://git.kernel.org/stable/c/ffc5ed59f6dc87c51e8775f002619310225742e8

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc1::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc2::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc3::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc4::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc5::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc6::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc7::::::

History

No history.

Information

Published : 2026-05-06 10:16

Updated : 2026-06-17 10:48

NVD link : CVE-2026-43103

Mitre link : CVE-2026-43103

CVE.ORG link : CVE-2026-43103

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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