Linux net/sched taprio_change() Buffer Overflow

The vulnerability of the tapriochange function in the net/sched/schtaprio.c module of the net/sched component of the Linux operating system is related to the reutilization of previously released memory due to competitive access to resources race condition. Exploiting this vulnerability could allo...

CVE-2021-47419

CVE-2021-47419 affects Linux kernel net/sched sch_taprio. A timer is set before a packet arrives and may not be canceled if ops->reset is not invoked; the fix cancels the timer in taprio_destroy (destroy path). Connected docs specify the root cause (timer scheduled before packet processing) an...