SUSE CVE-2026-89686

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix BUGON in nfsd4alloclayoutstateid on racing delegation revoke nfsd4alloclayoutstateid reads fp-fidelegfile without holding filock when the parent stateid is a delegation. A concurrent delegation revoke via the laundromat...

Linux Kernel Security Vulnerabilities

The Linux kernel has a security vulnerability. This vulnerability arises from the fact that nfsd4alloclayoutstateid does not hold filock when the parent stateid is an delegation. As a result, there is a race condition during the revocation of delegations via laundromat. This leads to nfsdfileget...

CVE-2026-53399: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: nfsd: release layout stid on setlease failure nfs4allocstid publishes the new stid into cl-clstateids via idralloccyclic under cllock before returning to nfsd4alloclayoutstateid. When nfsd4layoutsetlease then fails, the error pat...

CVE-2026-53399: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: nfsd: release layout stid on setlease failure nfs4allocstid publishes the new stid into cl-clstateids via idralloccyclic under cllock before returning to nfsd4alloclayoutstateid. When nfsd4layoutsetlease then fails, the error pat...