CVE-2026-64519

The CVE-2026-64519 issue affects the Linux kernel NFSD layout state revocation. The root cause is in nfsd4_revoke_states(): SC_TYPE_LAYOUT path never sets sc_status before calling nfsd4_close_layout(), while find_one_sb_stid() skips stids with non-zero sc_status. This causes the retry loop to rep...