CVE-2026-90322

CVE-2026-90322 affects the Linux kernel OCFS2 cluster subsystem (nodemanager and disk heartbeat). The root cause is that when the local node is reset via local=0, the cl_has_local flag is left set while cl_local_node is set to the invalid value 255. Heartbeat threads that dynamically re-read o2nm...

EUVD-2026-81983

In the Linux kernel, the following vulnerability has been resolved: ocfs2/cluster: keep heartbeat local node stable o2nmnodelocalstore handles local=0 by stopping o2net and setting cllocalnode to O2NMINVALIDNODENUM, but it leaves clhaslocal set. That stale state makes o2nmthisnode return 255,...