The vulnerability of the tcf_blockcast_redir() function in the net/sched/act_mirred.c module of the network scheduling subsystem of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the tcfblockcastredir function in the net/sched/actmirred.c module of the network scheduling subsystem of the Linux operating system is related to the execution of operations beyond the buffer boundaries in memory. Exploiting this vulnerability could allow an attacker to caus...

CVE-2026-53014: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: actmirred: fix wrong device for macheaderxmit check in tcfblockcastredir In tcfblockcastredir, when iterating block ports to redirect packets to multiple devices, the macheaderxmit flag is queried from the wrong device...