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

CVE-2025-5689

Improper Permission Management in SSH Session Handling PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Canonical / authd	affected 0.0.0 through 0.5.4

CWE

No CWE identifiers supplied.

References

https://github.com/ubuntu/authd/security/advisories/GHSA-g8qw-mgjx-rwjr

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.