CVE-2026-89687

In the Linux kernel, the following vulnerability has been resolved: nfsd: ensure nfsdfiledoacquire does not use a non-opened file -atomicopen is permitted to return success without actually opening the file. It indicates this by calling finishnoopen. This means dentrycreate can return a file whic...

CVE-2026-89687 nfsd: ensure nfsd_file_do_acquire() does not use a non-opened file

In the Linux kernel, the following vulnerability has been resolved: nfsd: ensure nfsdfiledoacquire does not use a non-opened file -atomicopen is permitted to return success without actually opening the file. It indicates this by calling finishnoopen. This means dentrycreate can return a file whic...

EUVD-2026-76599

In the Linux kernel, the following vulnerability has been resolved: nfsd: ensure nfsdfiledoacquire does not use a non-opened file -atomicopen is permitted to return success without actually opening the file. It indicates this by calling finishnoopen. This means dentrycreate can return a file whic...

CVE-2026-89687

CVE-2026-89687 affects the nfsd subsystem of the Linux kernel . The root cause is that dentry_create() can return a file that has not actually been opened, because ->atomic_open is permitted to succeed via finish_no_open() without opening the file. The function nfsd_file_do_acquire() did not v...

PT-2026-90403

In the Linux kernel, the following vulnerability has been resolved: nfsd: ensure nfsd file do acquire does not use a non-opened file -atomic open is permitted to return success without actually opening the file. It indicates this by calling finish no open. This means dentry create can return a fi...