UNKNOWN NVD
CVE-2026-72229
In the Linux kernel, the following vulnerability has been resolved: batman-adv: clean untagged VLAN on netdev registration failure When an mesh interface is r
In the Linux kernel, the following vulnerability has been resolved:
batman-adv: clean untagged VLAN on netdev registration failure
When an mesh interface is registered, it creates an untagged struct
batadv_meshif_vlan on top of it via the NETDEV_REGISTER notifier. But in
this process, another receiver of this notification can veto the
registration. The netdev registration will be aborted because of this veto.
The register_netdevice() call will try to clean up the net_device using
unregister_netdevice_queue() - which only uses the .priv_destructor to
free private resources. In this situation, .dellink will not be called.
The cleanup of the untagged batadv_meshif_vlan must thefore be done in the
destructor to avoid a leak of this object.
References
- https://git.kernel.org/stable/c/06ae245168268b705a204f93c318b30107d10e92
- https://git.kernel.org/stable/c/5a82c558098889cc8bfff85cc62f563833205d91
- https://git.kernel.org/stable/c/8669a550c752d86baebc5fdc83b8ff35c4372c0e
- https://git.kernel.org/stable/c/86e32dfb6a6fe29898f4a562b7b6e38e480bba4d
- https://git.kernel.org/stable/c/c945f6007e7851e74706c72f98763023699bcd97
This unknown severity vulnerability was published on 2026-08-15 via NVD.
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