The vulnerability of the uart_write_room() function in the drivers/tty/serial/serial_core.c file of the console TTY driver in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the uartwriteroom function in the drivers/tty/serial/serialcore.c file of the console TTY driver in the Linux operating system is related to the execution of a loop with an unreachable exit condition. Exploiting this vulnerability could allow an attacker to cause a service...

AZL-81831 CVE-2026-23472 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: serial: core: fix infinite loop in handletx for PORTUNKNOWN uartwriteroom and uartwrite behave inconsistently when xmitbuf is NULL which happens for PORTUNKNOWN ports that were never properly initialized: - uartwriteroom returns...