CVE-2026-80630 | Linux Kernel up to 7.1.4 sch_fq_codel net/sched/sch_qfq.c qdisc_tree_reduce_backlog out-of-bounds

A vulnerability classified as very critical has been found in Linux Kernel up to 7.1.4. This affects the function qdisc_tree_reduce_backlog of the file net/sched/sch_qfq.c of the component sch_fq_codel. The manipulation leads to out-of-bounds read.

This vulnerability is listed as CVE-2026-80630. The attack may be initiated remotely. There is no available exploit.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More