drivers/char/pcmcia/synclink_cs.c in the Linux kernel through 5.19.12 has a race condition and resultant use-after-free if a physically proximate attacker removes a PCMCIA device while calling ioctl, aka a race condition between mgslpc_ioctl and mgslpc_detach.
https://lore.kernel.org/lkml/[email protected]/T/#rc85e751f467b3e6f9ccef92cfa7fb8a6cc50c270