CVE-2023-52872

In the Linux kernel, the following vulnerability has been resolved: tty: ngsm: fix race condition in status line change on dead connections gsmcleanupmux cleans up the gsm by closing all DLCIs, stopping all timers, removing the virtual tty devices and clearing the data queues. This procedure,...

CVE-2023-52872

The CVE-2023-52872 vulnerability affects the Linux kernel tty/n_gsm subsystem. A race in gsm_cleanup_mux() during the cleanup of GSM DLCIs can spuriously change virtual modem status lines while data/timers are being torn down, risking a kernel panic when resources have already been removed. The f...