kernel: use-after-free in sch_qfq network scheduler

A use-after-free flaw was found in qfqdequeue and aggdequeue in net/sched/schqfq.c in the Traffic Control QoS subsystem in the Linux kernel. This issue may allow a local user to crash the system or escalate their privileges on the system...

kernel: use-after-free in sch_qfq network scheduler

A use-after-free flaw was found in qfqdequeue and aggdequeue in net/sched/schqfq.c in the Traffic Control QoS subsystem in the Linux kernel. This issue may allow a local user to crash the system or escalate their privileges on the system...

kernel: use-after-free in sch_qfq network scheduler

A use-after-free flaw was found in qfqdequeue and aggdequeue in net/sched/schqfq.c in the Traffic Control QoS subsystem in the Linux kernel. This issue may allow a local user to crash the system or escalate their privileges on the system...

CVE-2023-4921: Use After Free

A use-after-free vulnerability in the Linux kernel's net/sched: schqfq component can be exploited to achieve local privilege escalation. When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfqdequeue due to the incorrect .peek handler of...