CVE-2026-53393 nfsd: reset write verifier on deferred writeback errors

In the Linux kernel, the following vulnerability has been resolved: nfsd: reset write verifier on deferred writeback errors nfsdvfswrite and nfsdcommit both call filemapcheckwberr to detect deferred writeback errors, but neither rotates the server's write verifier nn-writeverf when this check...

CVE-2026-23297

CVE-2026-23297 affects the Linux kernel’s NFS daemon (nfsd). The issue is a memory leak of struct cred caused by how nfsd_nl_threads_set_doit() passes current credentials to nfsd_svc() and later to _svc_xprt_create() without transferring ownership, leaving a refcount leak. SYZBOT identified a lea...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003056)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003056 advisory. The NFSv4 server in the Linux kernel before 4.11.3 does not properly validate the layout type when processing the NFSv4 pNFS GETDEVICEINFO or LAYOUTGET operand in a...

RHEL 10 : kernel (RHSA-2025:22571)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22571 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: nfsd: handle getclientlocked...