The vulnerability of the tcf_block_get_ext() function in the net/sched/cls_api.c module of the network/sched subsystem of the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the tcfblockgetext function in the net/sched/clsapi.c module of the net/sched subsystem of the Linux operating system is related to operations involving resources after their expiration. Exploiting this vulnerability could allow an attacker to cause a service failure...