CVE-2026-64075

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

Description A use-after-free issue exists in the unregister fprobe() function. This occurs because the function fails to wait for the Read-Copy-Update (RCU) grace period—a synchronization mechanism that ensures all current readers have finished accessing data before it is deleted—after unregistering a struct fprobe from an rcu-hlist. This flaw can be triggered during fprobe events and within sample module code.

Recommendations Update the Linux kernel to a version that includes the fix adding synchronize rcu() to the unregister fprobe() function.