CVE-2022-2447

Publication date 1 September 2022

Last updated 12 November 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

6.6 · Medium

Score breakdown

Description

A flaw was found in Keystone. There is a time lag (up to one hour in a default configuration) between when security policy says a token should be revoked from when it is actually revoked. This could allow a remote administrator to secretly maintain access for longer than expected.

Read the notes from the security team

Why is this CVE low priority?

Upstream keystone developers have rated this to be a low severity issue

Learn more about Ubuntu priority

Status

Package Ubuntu Release Status
keystone 25.10 questing
Not affected
25.04 plucky
Not affected
24.10 oracular Ignored end of life, was deferred [2023-01-03]
24.04 LTS noble
Not affected
23.10 mantic Ignored end of life, was needed
23.04 lunar Ignored end of life, was needed
22.10 kinetic Ignored end of life, was needed
22.04 LTS jammy
Vulnerable
20.04 LTS focal
Vulnerable
18.04 LTS bionic
Vulnerable
16.04 LTS xenial
Vulnerable
14.04 LTS trusty Ignored end of standard support

Notes

mdeslaur

fixed in 21.0.1, 22.0.1, 23.0.0.0rc1 fixed in (2:21.0.1-0ubuntu2) in jammy-updates, but not yet in -security

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
keystone

Severity score breakdown

Parameter Value
Base score 6.6 · Medium
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

References

Other references