The vulnerability of the register_winch_irq() function in the User-Mode Linux (UML) subsystem of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the registerwinchirq function in the arch/um/drivers/line.c file of the User-Mode Linux subsystem driver for the Linux operating system is related to the reallocation of previously freed memory due to concurrent access to resources. Exploiting this vulnerability could allow a...