The vulnerability of the dualpi2_change() function in the net/sched/sch_dualpi2.c module of the network/scheduling subsystem of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the dualpi2change function in the net/sched/schdualpi2.c module of the network/scheduling subsystem of the Linux operating system is related to the swapping of pointers. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

CVE-2026-52997 net/sched: sch_dualpi2: drain both C-queue and L-queue in dualpi2_change()

In the Linux kernel, the following vulnerability has been resolved: net/sched: schdualpi2: drain both C-queue and L-queue in dualpi2change Fix dualpi2change to correctly enforce updated limit and memlimit values after a configuration change of the dualpi2 qdisc. Before this patch, dualpi2change...