CVE-2026-64075

A flaw was found in the Linux kernel's fprobe mechanism. The 'unregisterfprobe' function did not properly wait for the RCU Read-Copy-Update grace period, which is a synchronization mechanism. This oversight could lead to a use-after-free vulnerability, where memory is deallocated while still bein...

CVE-2026-64075 fprobe: Fix unregister_fprobe() to wait for RCU grace period

In the Linux kernel, the following vulnerability has been resolved: fprobe: Fix unregisterfprobe to wait for RCU grace period Commit 4346ba1604093 "fprobe: Rewrite fprobe on function-graph tracer" changed fprobe to register struct fprobe to an rcu-hlist, but it forgot to wait for RCU GP. Thus the...

CVE-2026-64075

In the Linux kernel, the following vulnerability has been resolved: fprobe: Fix unregisterfprobe to wait for RCU grace period Commit 4346ba1604093 "fprobe: Rewrite fprobe on function-graph tracer" changed fprobe to register struct fprobe to an rcu-hlist, but it forgot to wait for RCU GP. Thus the...

CVE-2026-64075 fprobe: Fix unregister_fprobe() to wait for RCU grace period

In the Linux kernel, the following vulnerability has been resolved: fprobe: Fix unregisterfprobe to wait for RCU grace period Commit 4346ba1604093 "fprobe: Rewrite fprobe on function-graph tracer" changed fprobe to register struct fprobe to an rcu-hlist, but it forgot to wait for RCU GP. Thus the...

PT-2026-61392

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...