CVE-2025-39677

Summary: CVE-2025-39677 affects the Linux kernel net/sched backlog accounting in qdisc_dequeue_internal for hhf, fq, fq_codel, and fq_pie. The issue occurs when adjusting to a new backlog limit; dequeue paths drop packets from gso_skb without increasing qstats backlog, causing backlog underflow i...