CVE-2025-5689 Improper Permission Management in SSH Session Handling

A flaw was found in the temporary user record that authd uses in the pre-auth NSS. As a result, a user login for the first time will be considered to be part of the root group in the context of that SSH session...

CVE-2025-5689

CVE-2025-5689 concerns ubuntu/authd and related components. A flaw in the temporary user record used by authd during pre-auth NSS can cause a first-time SSH login to place the new user into the root group for that SSH session, potentially exposing root-group read/write access during that session....

CVE-2025-5689 Improper Permission Management in SSH Session Handling

A flaw was found in the temporary user record that authd uses in the pre-auth NSS. As a result, a user login for the first time will be considered to be part of the root group in the context of that SSH session...