In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ordering of qlen adjustment Changes to sch->q.qlen around qdisc_tree_reduce_backlog() need to happen _before_ a call to said function because otherwise it may fail to notify parent qdiscs when the child is about to become empty.
Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024122746-CVE-2024-53164-752a@gregkh/T