Linux kernel serial port DoS

The vulnerability in the serial8250txdmaflush function within the drivers/tty/serial/8250/8250dma.c file of the TTY driver for the Linux kernel’s serial port is related to system boundary control flaws. Exploitation of this vulnerability may allow an attacker to cause a denial of service...

CVE-2022-49613

CVE-2022-49613 affects the Linux kernel serial driver 8250 console handover. When a console is enabled, univ8250_console_setup() runs before .dev is bound to the uart_port, so pm_runtime_get_sync() is skipped. Later, during handover, serial8250_console_exit() may call pm_runtime_put_sync() with a...

PT-2025-37540

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to serial port handling. Specifically, when unbinding a serial port hardware-specific 8250 driver, the generic serial8250 driver takes over the...

Linux kernel null pointer dereference vulnerability (CNVD-2020-66298)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in versions of Linux kernel prior to 5.8, which stems from vulnerability to a null pointer dereference attack in...