description: The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service by using the p->serial_in pointer which uninitialized.
problem types: NULL Pointer Dereference
affected:
{
product: linux kernel
vendor: n/a
versions:
status: affected, version: 5.7 (verified), possibly others 4.18
}