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CVE Vulnerability Details :
CVE-2026-43103
PUBLISHED
More InfoOfficial Page
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
View Known Exploited Vulnerability (KEV) details
Published At-06 May, 2026 | 07:40
Updated At-06 May, 2026 | 07:40
Rejected At-
▼CVE Numbering Authority (CNA)
net: lapbether: handle NETDEV_PRE_TYPE_CHANGE

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.

Affected Products
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/net/wan/lapbether.c
Default Status
unaffected
Versions
Affected
  • From 872254dd6b1f80cb95ee9e2e22980888533fc293 before 363a38044b8cd5b496d241651a1fb666e7c5fe3e (git)
  • From 872254dd6b1f80cb95ee9e2e22980888533fc293 before 328bb2cff5c2ed973f595ded769e15f4b7a117be (git)
  • From 872254dd6b1f80cb95ee9e2e22980888533fc293 before 63851f60781aa89258c8f0952cd13940aab0888e (git)
  • From 872254dd6b1f80cb95ee9e2e22980888533fc293 before b117056768ab7deb434e7d72065e48d2083a0c2a (git)
  • From 872254dd6b1f80cb95ee9e2e22980888533fc293 before b120e4432f9f56c7103133d6a11245e617695adb (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • drivers/net/wan/lapbether.c
Default Status
affected
Versions
Affected
  • 2.6.24
Unaffected
  • From 0 before 2.6.24 (semver)
  • From 6.6.136 through 6.6.* (semver)
  • From 6.12.83 through 6.12.* (semver)
  • From 6.18.24 through 6.18.* (semver)
  • From 6.19.14 through 6.19.* (semver)
  • From 7.0 through * (original_commit_for_fix)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://git.kernel.org/stable/c/363a38044b8cd5b496d241651a1fb666e7c5fe3e
N/A
https://git.kernel.org/stable/c/328bb2cff5c2ed973f595ded769e15f4b7a117be
N/A
https://git.kernel.org/stable/c/63851f60781aa89258c8f0952cd13940aab0888e
N/A
https://git.kernel.org/stable/c/b117056768ab7deb434e7d72065e48d2083a0c2a
N/A
https://git.kernel.org/stable/c/b120e4432f9f56c7103133d6a11245e617695adb
N/A
Hyperlink: https://git.kernel.org/stable/c/363a38044b8cd5b496d241651a1fb666e7c5fe3e
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/328bb2cff5c2ed973f595ded769e15f4b7a117be
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/63851f60781aa89258c8f0952cd13940aab0888e
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/b117056768ab7deb434e7d72065e48d2083a0c2a
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/b120e4432f9f56c7103133d6a11245e617695adb
Resource: N/A
Details not found