The vulnerability of the br_handle_egress_vlan_tunnel() function in the net/bridge/br_vlan_tunnel.c module, a part of the networking functions in the Linux kernel, allows a hacker to trigger a service failure.

The vulnerability of the brhandleegressvlantunnel function in the net/bridge/brvlantunnel.c module, which is part of the Linux kernel’s networking functions, relates to the use of memory after it has been freed. Exploiting this vulnerability could allow an attacker to cause a service failure...