Sophos Anti-Virus (SAV) for Linux/Unix version 9.3.1 includes a number changes to enhance security, when
savscan is run from the terminal, it verifies that the installation is secure. If any one of these are set incorrectly then the following error will occur:
Error: Unable to locate SavForLinux installation directory.
A default installation of SAV for Linux/Unix will set this securely, this is also true for older versions of SAV for Linux (Version 6 upwards).
Known to apply to the following Sophos product(s) and version(s)
Sophos Anti-Virus for Linux 9.3.1
What To Do
Upon launching Savscan, SAV for Linux/Unix 9.3.1 (and above) performs the following security checks:
- Install directory (normally ../sophos-av/) owned by user 0 (root), group 0.
../sophos-av/engine/savscan.base belongs to the sophosav group.
../sophos-av/engine/savscan.base has the SGID bit set.
If any of these points fail, you will be unable to launch