The vulnerability of the `ftrace_modify_direct_caller()` function in the kernel/trace/ftrace.c module, which supports Linux operating system kernel tracing, allows a attacker to cause a service failure.

The vulnerability of the ftracemodifydirectcaller function in the kernel/trace/ftrace.c module, which supports kernel tracing in Linux operating systems, is related to the occurrence of mutual locking. Exploiting this vulnerability could allow an attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Fixed recursive locking of directmutex in ftracemodifydirectcaller Naveen reported recursive locking of directmutex with the sample ftrace-direct-modify.ko file: 74.762406 WARNING: Possible recursive locking detected...