CVE-2022-24302

In Paramiko before 2.10.1, a race condition (between creation and chmod) in the write_private_key_file function could allow unauthorized information disclosure.

Score

CVSS 3.1 5.9 Medium

Status

Modified - cve@mitre.org

Published

2022-03-17

Last modified

2025-12-16

Weaknesses

CWE-362

Affected products

• Debian Linux (Debian)
• Fedora (Fedoraproject)
• Paramiko (Paramiko)

References

• https://github.com/paramiko/paramiko/blob/363a28d94cada17f012c1604a3c99c71a2bda003/paramiko/pkey.py#L546
• https://lists.debian.org/debian-lts-announce/2022/03/msg00032.html
• https://lists.debian.org/debian-lts-announce/2022/09/msg00013.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LUEUEGILZ7MQXRSUF5VMMO…
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TPMKRUS4HO3P7NR7P4Y6CL…
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U63MJ2VOLLQ35R7CYNREUH…
• https://www.paramiko.org/changelog.html
• https://lists.debian.org/debian-lts-announce/2025/12/msg00020.html