CVE-2026-64451

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix NULL pointer dereference in funcsetflag funcsetflag dereferences tr-currenttraceflags before verifying that the current tracer is actually the function tracer. When the active tracer has been switched away from...

CVE-2026-64451 tracing: Fix NULL pointer dereference in func_set_flag()

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix NULL pointer dereference in funcsetflag funcsetflag dereferences tr-currenttraceflags before verifying that the current tracer is actually the function tracer. When the active tracer has been switched away from...

CVE-2026-64451

CVE-2026-64451 is a NULL pointer dereference in the Linux kernel tracing subsystem , specifically in the func_set_flag() function. The root cause is an ordering bug: the function dereferences tr->current_trace_flags before checking whether the active tracer is actually the function tracer. Whe...