kernel: nfs_atomic_open() returns uninitialized data instead of ENOTDIR

A flaw was found in the Linux kernel. When an application tries to open a directory using the ODIRECTORY flag in a mounted NFS filesystem, a lookup operation is performed. If the NFS server returns a file as a result of the lookup, the NFS filesystem returns an uninitialized file descriptor inste...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5384-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5384-1 advisory. It was discovered that the UDF file system implementation in the Linux kernel could attempt to dereference a null pointer in some situations...