soc: aspeed: Add NULL check in aspeed_lpc_enable_snoop()

...

PT-2021-7381 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.14.6 Description: An issue was discovered in the aspeed lpc ctrl mmap function in the Linux kernel, which could allow local attackers to overwrite memory in the kernel and potentially execute privileges. This...