A use-after-free flaw was found in net/sched/cls_fw.c in classifiers (cls_fw, cls_u32, and cls_route) in the Linux Kernel. This flaw allows a local attacker to perform a local privilege escalation due to incorrect handling of the existing filter, leading to a kernel information leak issue. CREATE(Triage):(User=admin) CVE-2023-4128 (https://nvd.nist.gov/vuln/detail/CVE-2023-4128)
