CVE-2026-46196

In the Linux kernel, the following vulnerability has been resolved: tracepoint: balance regfunc on funcadd failure in tracepointaddfunc When a tracepoint goes through the 0 - 1 transition, tracepointaddfunc invokes the subsystem's ext-regfunc before attempting to install the new probe via funcadd...

CVE-2026-46196

In the Linux kernel, the following vulnerability has been resolved: tracepoint: balance regfunc on funcadd failure in tracepointaddfunc When a tracepoint goes through the 0 - 1 transition, tracepointaddfunc invokes the subsystem's ext-regfunc before attempting to install the new probe via funcadd...

CVE-2026-46196

CVE-2026-46196 describes a Linux kernel tracepoint regression: during a 0→1 transition, tracepoint_add_func() calls ext->regfunc() before installing a probe, and if func_add() fails (e.g., -ENOMEM), it previously did not call ext->unregfunc(), leaving behind side effects. The fix mirrors th...