kernel: pfifo_tail_enqueue: Drop new packet when sch->limit == 0

In the Linux kernel, the following vulnerability has been resolved: pfifotailenqueue: Drop new packet when sch-limit == 0 Expected behaviour: In case we reach scheduler's limit, pfifotailenqueue will drop a packet in scheduler's queue and decrease scheduler's qlen by one. Then, pfifotailenqueue...

CVE-2023-52745

CVE-2023-52745 (LINUX KERNEL) describes a crash in legacy IPoIB caused by an erroneous queue count when creating child PKEY interfaces via netlink. The root cause is a commit that allows multiple TX/RX queues for child interfaces while some devices support only 1 TX and 1 RX queue, leading to a k...