CVE-2023-52983

The CVE-2023-52983 issue affects the Linux kernel’s bfq (multiqueue block I/O) subsystem. It describes a use-after-free (UAF) where bic_set_bfqq() could access a bfqq after it had been freed in certain contexts. The root cause was that bfqq was freed in the wrong place relative to bic_set_bfqq(),...