CVE-2023-54211

A reference counting flaw was found in the Linux kernel's tracing subsystem. The trace_buffered_event_disable() function can be called more times than trace_buffered_event_enable(), leading to a reference count underflow and a WARN_ON_ONCE warning when manipulating ftrace filter commands with event disabling.

This issue produces a kernel warning but does not cause a crash or memory corruption. Triggering it requires specific sequences of ftrace filter operations which typically need root access. The warning is informational and the system continues to function.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.