# CVE-2022-2447: python-keystonemiddleware: A flaw was found in Keystone

CVE-2022-2447 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2022-2447, released September 1, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-2447
- Priority: Routine
- CVSS: 6.6 (medium)
- EPSS: 0.0072
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 1, 2022

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | keystone Ubuntu 22.04.1 LTS (jammy) | 2:21.0.1-0ubuntu2.1 | [keystone 2:21.0.1-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-keystone-2-21.0.1-0ubuntu2.1.md) | Nov 4, 2025 |
| Linux | keystone-common Ubuntu 22.04.1 LTS (jammy) | 2:21.0.1-0ubuntu2.1 | [keystone-common 2:21.0.1-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-keystone-common-2-21.0.1-0ubuntu2.1.md) | Nov 4, 2025 |
| Linux | python-keystonemiddleware Debian 12.15 (bookworm) | 10.1.0-4 | [DEBIAN-CVE-2022-2447](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2447.md) | Sep 1, 2022 |
| Linux | python-keystonemiddleware Debian 13.5 (trixie) | 10.1.0-4 | [DEBIAN-CVE-2022-2447](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2447.md) | Sep 1, 2022 |
| Linux | python-keystonemiddleware Debian 14 | 10.1.0-4 | [DEBIAN-CVE-2022-2447](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2447.md) | Sep 1, 2022 |
| Linux | python3-keystone Ubuntu 22.04.1 LTS (jammy) | 2:21.0.1-0ubuntu2.1 | [python3-keystone 2:21.0.1-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-keystone-2-21.0.1-0ubuntu2.1.md) | Nov 4, 2025 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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