CVE-2022-2447

Publication date 1 September 2022

Last updated 11 December 2025

Ubuntu priority

Cvss 3 Severity Score

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

Show unmaintained releases

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	Fixed 2:21.0.1-0ubuntu2.1
	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

Patch details

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

Package	Patch details
keystone	Other: https://review.opendev.org/c/openstack/keystonemiddleware/+/860481

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