CVE-2026-90236

CVE-2026-90236 affects the Linux kernel NFSD (NFS server daemon). The bug is a reference-counting flaw in NFSv4 state ID teardown: free_ol_stateid_reaplist() frees open and lock stateids via ->sc_free() without releasing the svc_export reference, unlike nfs4_put_stid(). This pins the export an...