The vulnerability of the `compat_arm_syscall()` function in the `arch/arm64/kernel/sys_compat.c` module allows a hacker to trigger a service failure on the ARM 64-bit kernel-based Linux operating system.

The vulnerability of the compatarmsyscall function in the arch/arm64/kernel/syscompat.c module of the Linux operating system’s 64-bit ARM architecture kernel is related to insufficient checking of input data. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2022-49520: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: arm64: compat: Do not treat syscall number as ESRELx for a bad syscall If a compat process tries to execute an unknown system call above the ARMNRCOMPATEND number, the kernel sends a SIGILL signal to the offending process...