CVE-2026-43103

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Source
https://cve.org/CVERecord?id=CVE-2026-43103
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43103.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-43103
Downstream
Related
Published
2026-05-06T07:40:32.357Z
Modified
2026-07-15T01:48:53.846788819Z
Summary
net: lapbether: handle NETDEV_PRE_TYPE_CHANGE
Details

In the Linux kernel, the following vulnerability has been resolved:

net: lapbether: handle NETDEVPRETYPE_CHANGE

lapbethdatatransmit() expects the underlying device type to be ARPHRD_ETHER.

Returning NOTIFYBAD from lapbethdevice_event() makes sure bonding driver can not break this expectation.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43103.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
872254dd6b1f80cb95ee9e2e22980888533fc293
Fixed
698642a01d53107ce9b3fc08bd801284af478a2b
Fixed
ffc5ed59f6dc87c51e8775f002619310225742e8
Fixed
a10570973619cba9dfa6d723177251b846fae587
Fixed
363a38044b8cd5b496d241651a1fb666e7c5fe3e
Fixed
328bb2cff5c2ed973f595ded769e15f4b7a117be
Fixed
63851f60781aa89258c8f0952cd13940aab0888e
Fixed
b117056768ab7deb434e7d72065e48d2083a0c2a
Fixed
b120e4432f9f56c7103133d6a11245e617695adb

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43103.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
2.6.24
Fixed
5.10.258
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.209
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.175
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.136
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.83
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.18.24
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
6.19.14

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43103.json"