A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf053b. CREATE(Triage):(User=admin) [CVE-2020-29661|https://nvd.nist.gov/vuln/detail/CVE-2020-29661]
