CVE-2026-93817

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the perf subsystem where event::addr filter ranges is used under RCU (Read-Copy-Update), a synchronization mechanism that allows multiple readers to access data while it is being updated. The lifetime of this data was not managed correctly, as it should be freed using RCU to prevent memory management errors.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.