cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results). CREATE(Triage):(User=admin) CVE-2023-23454 (https://nvd.nist.gov/vuln/detail/CVE-2023-23454)