CVE-2022-49798 tracing: Fix race where eprobes can be called before the event

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix race where eprobes can be called before the event The flag that tells the event to call its triggers after reading the event is set for eprobes after the eprobe is enabled. This leads to a race where the eprobe may b...

CVE-2022-49798

CVE-2022-49798 describes a race in the Linux kernel tracing eprobes where the event’s triggers could be invoked before the event record is populated, risking a NULL dereference. This is caused by a flag set for eprobes after enabling the eprobe, potentially triggering at the start of the event wh...