Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tracing/hist: Fix out-of-bound write on 'actiondata.varrefidx' When generate a synthetic event with many params and then create a trace action for it 1, kernel panic happened 2. It is because that in traceactioncreate...

CVE-2022-50553

CVE-2022-50553 : In the Linux kernel tracing hist code, an out-of-bounds write occurs in action_data.var_ref_idx when synthesizing events with many params (n_params up to SYNTH_FIELDS_MAX) and a smaller TRACING_MAP_VARS_MAX caused writes beyond the array. The issue is fixed by enlarging data->...