CVE-2023-53368 tracing: Fix race issue between cpu buffer write and swap

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix race issue between cpu buffer write and swap Warning happened in rbendcommit at code: if RBWARNONcpubuffer, !localread&cpubuffer-committing WARNING: CPU: 0 PID: 139 at kernel/trace/ringbuffer.c:3142...

CVE-2023-53368

CVE-2023-53368 – Linux kernel tracing race : A race between writing to the per-CPU tracing buffer and swapping the buffer via per_cpu/cpu0/snapshot can cause a false “committing” state in rb_end_commit(), leading to a WARN and potential commit inconsistencies. The issue manifests in the tracing r...