kernel: nfsd: release layout stid on setlease failure

A use-after-free flaw was found in the Linux kernel's NFS daemon nfsd pNFS layout handling. When nfsd4layoutsetlease fails, the layout stateid that was already published in the client IDR is freed directly, leaving a stale pointer in the IDR. A subsequent IDR traversal, such as statesshow or clie...

PT-2026-72752

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Network File System server NFSD where the nfsd4 drop revoked stid function lacks a case for SC TYPE LAYOUT. When a client sends a FREE STATEID request for an...

kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

A flaw null pointer dereference in the Linux kernel NFS functionality was found in the way client does some specific action for existing NFS connection. A client user could use this flaw to crash the server system...

kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

A flaw null pointer dereference in the Linux kernel NFS functionality was found in the way client does some specific action for existing NFS connection. A client user could use this flaw to crash the server system...

CVE-2025-68349

In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: Clear NFSINOLAYOUTCOMMIT in pnfsmarklayoutstateidinvalid Fixes a crash when layout is null during this call stack: writeinode - nfs4writeinode - pnfslayoutcommitinode pnfssetlayoutcommit relies on the lseg refcount to...