# CVE-2021-44225: keepalived: The keepalived utility provides simple and robust facilities for load balancing and high availability

CVE-2021-44225 is fixed in keepalived on 1 platform, first by keepalived 1:1.3.9-1ubuntu0.18.04.3, released November 25, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-44225
- Priority: High
- CVSS: 7.5 (Moderate)
- EPSS: 0.0112
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 25, 2021

## Description

The keepalived utility provides simple and robust facilities for load balancing and high availability. The load balancing framework relies on the well-known and widely used IP Virtual Server (IPVS) kernel module providing layer-4 (transport layer) load balancing. Keepalived implements a set of checkers to dynamically and adaptively maintain and manage a load balanced server pool according to the health of the servers. Keepalived also implements the Virtual Router Redundancy Protocol (VRRPv2) to achieve high availability with director failover.  Security Fix(es):  * keepalived: dbus access control bypass (CVE-2021-44225)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | keepalived Debian 12.15 (bookworm) | 1:2.2.4-0.2 | [DEBIAN-CVE-2021-44225](https://patchblox.com/security/data/fix/linux/debian-cve-2021-44225.md) | Nov 26, 2021 |
| Linux | keepalived Debian 13.5 (trixie) | 1:2.2.4-0.2 | [DEBIAN-CVE-2021-44225](https://patchblox.com/security/data/fix/linux/debian-cve-2021-44225.md) | Nov 26, 2021 |
| Linux | keepalived Debian 14 | 1:2.2.4-0.2 | [DEBIAN-CVE-2021-44225](https://patchblox.com/security/data/fix/linux/debian-cve-2021-44225.md) | Nov 26, 2021 |
| Linux | keepalived RHEL 8 | 0:2.1.5-8.el8 | [RHSA-2022:1930](https://patchblox.com/security/data/fix/linux/rhsa-2022-1930.md) | May 10, 2022 |
| Linux | keepalived Ubuntu 18.04.6 LTS (bionic) | 1:1.3.9-1ubuntu0.18.04.3 | [keepalived 1:1.3.9-1ubuntu0.18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-keepalived-1-1.3.9-1ubuntu0.18.04.3.md) | Nov 25, 2021 |
| Linux | keepalived Ubuntu 20.04 LTS (focal) | 1:2.0.19-2ubuntu0.1 | [keepalived 1:2.0.19-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-keepalived-1-2.0.19-2ubuntu0.1.md) | Nov 25, 2021 |
| Linux | keepalived Ubuntu 22.04.1 LTS (jammy) | 1:2.2.4-0.2 | [keepalived 1:2.2.4-0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-keepalived-1-2.2.4-0.2.md) | Nov 25, 2021 |
| Linux | keepalived almalinux 8 | 2.1.5-8.el8 | [ALSA-2022:1930](https://patchblox.com/security/data/fix/linux/alsa-2022-1930.md) | May 10, 2022 |
| Linux | keepalived ol 8 | 0:2.1.5-8.el8 | [ELSA-2022-1930](https://patchblox.com/security/data/fix/linux/elsa-2022-1930.md) | May 17, 2022 |
| Linux | keepalived rocky 8 | 0:2.1.5-8.el8 | [RLSA-2022:1930](https://patchblox.com/security/data/fix/linux/rlsa-2022-1930.md) | May 10, 2022 |

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Data as of 2026-11-09T07:25:28Z 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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