CVE-2026-99234

In the Linux kernel, the following vulnerability has been resolved: tracing: Unregister field variable histograms when the command fails An action that names a field on another event needs that field as a variable, so createfieldvarhist registers a second hist trigger on that event to provide it,...

CVE-2026-99234

The Linux kernel contains a vulnerability in the tracing subsystem where field variable histograms may remain active if a command fails during processing. Specifically, if create_actions() returns an error, event_hist_trigger_parse() jumps to out_free, which calls destroy_field_var_hists() but fa...