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    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.

    Published:Mar 17, 2022
    Last Modified:Dec 16, 2025
    EPS:Mar 17, 2022
    EPSS Score:0.00561
    CVSS Score:5.9

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Paramiko
    Product
    Paramiko
    Vendor
    Redhat
    Product
    Openstack
    Vendor
    Redhat
    Product
    Rhev Hypervisor
    Vendor
    Redhat
    Product
    Rhev Manager

    Exploits

    https://github.com/paramiko/paramiko/blob/363a28d94cada17f012c1604a3c99c71a2bda003/paramiko/pkey.py#L546https://github.com/paramiko/paramiko/blob/363a28d94cada17f012c1604a3c99c71a2bda003/paramiko/pkey.py#L546

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    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/LUEUEGILZ7MQXRSUF5VMMO4SWJQVPTQL/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TPMKRUS4HO3P7NR7P4Y6CLHB4MBEE3AI/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U63MJ2VOLLQ35R7CYNREUHSXYLWNPVSB/
    https://www.paramiko.org/changelog.html
    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.debian.org/debian-lts-announce/2025/12/msg00020.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LUEUEGILZ7MQXRSUF5VMMO4SWJQVPTQL/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TPMKRUS4HO3P7NR7P4Y6CLHB4MBEE3AI/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U63MJ2VOLLQ35R7CYNREUHSXYLWNPVSB/
    https://www.paramiko.org/changelog.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High