CVE-2026-90072

CVE-2026-90072 is a signed overflow vulnerability in the Linux kernel's net/sched: sfq (Stochastic Fairness Queuing) qdisc. In sfq_init(), the quantum value is set from psched_mtu(), which returns an unsigned value. A device with an extremely large MTU (e.g., a dummy device with max_mtu == 0 acce...