UBUNTU-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

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 (Network File System Daemon) subsystem of the Linux kernel . The root cause is that the ->atomic_open operation is permitted to return success without actually opening the file (via finish_no_open()), which means dentry_create() can return a file that has not be...

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: Undefined Security Weakness

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...

PT-2026-90403

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the nfsd file do acquire function where it may use a file that has not been opened. This occurs because the -atomic open handler can return success without opening the...