CVE-2026-53393

CVE-2026-53393 (Linux kernel, NFS daemon) is resolved in the Linux kernel. The issue was that nfsd_vfs_write() and nfsd_commit() did not rotate the server’s write verifier (nn->writeverf) when deferred writeback errors occurred, unlike other durable-storage-failure paths which call commit_rese...

Linux Distros Unpatched Vulnerability : CVE-2026-53393

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: reset write verifier on deferred writeback errors nfsdvfswrite and nfsdcommit both call filemapcheckwberr to detect deferred writeback errors, but neither...

PT-2026-61098

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 server fails to rotate the write verifier nn-writeverf when deferred writeback errors are detected via the filemap check ...