# CVE-2022-31213: dbus-broker: dbus-broker is an implementation of a message bus as defined by the D-Bus specification

CVE-2022-31213 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2022-31213, released July 17, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-31213
- Priority: High
- CVSS: 7.5 (Moderate)
- EPSS: 0.0229
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 17, 2022

## Description

dbus-broker is an implementation of a message bus as defined by the D-Bus specification. Its aim is to provide high performance and reliability, while keeping compatibility to the D-Bus reference implementation. It is exclusively written for Linux systems, and makes use of many modern features provided by recent Linux kernel releases.  Security Fix(es):  * dbus-broker: a stack buffer over-read if a malicious Exec line is supplied (CVE-2022-31212)  * dbus-broker: null pointer reference when supplying a malformed XML config file (CVE-2022-31213)  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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | dbus-broker Debian 12.15 (bookworm) | 30-1 | [DEBIAN-CVE-2022-31213](https://patchblox.com/security/data/fix/linux/debian-cve-2022-31213.md) | Jul 17, 2022 |
| Linux | dbus-broker Debian 13.5 (trixie) | 30-1 | [DEBIAN-CVE-2022-31213](https://patchblox.com/security/data/fix/linux/debian-cve-2022-31213.md) | Jul 17, 2022 |
| Linux | dbus-broker Debian 14 | 30-1 | [DEBIAN-CVE-2022-31213](https://patchblox.com/security/data/fix/linux/debian-cve-2022-31213.md) | Jul 17, 2022 |
| Linux | dbus-broker RHEL 9 | 0:28-5.1.el9_0 | [RHSA-2022:6608](https://patchblox.com/security/data/fix/linux/rhsa-2022-6608.md) | Sep 20, 2022 |
| Linux | dbus-broker almalinux 9 | 28-5.1.el9_0 | [ALSA-2022:6608](https://patchblox.com/security/data/fix/linux/alsa-2022-6608.md) | Sep 20, 2022 |
| Linux | dbus-broker amzn 2023 | 32-1.amzn2023.0.2 | [ALAS2023-2023-080](https://patchblox.com/security/data/fix/linux/alas2023-2023-080.md) | Feb 17, 2023 |
| Linux | dbus-broker ol 9 | 0:28-5.1.el9_0 | [ELSA-2022-6608](https://patchblox.com/security/data/fix/linux/elsa-2022-6608.md) | Sep 21, 2022 |
| Linux | dbus-broker rocky 9 | 0:28-5.1.el9 | [RLSA-2022:6608](https://patchblox.com/security/data/fix/linux/rlsa-2022-6608.md) | Sep 20, 2022 |
| Linux | dbus-broker-debuginfo amzn 2023 | 32-1.amzn2023.0.2 | [ALAS2023-2023-080](https://patchblox.com/security/data/fix/linux/alas2023-2023-080.md) | Feb 17, 2023 |
| Linux | dbus-broker-debugsource amzn 2023 | 32-1.amzn2023.0.2 | [ALAS2023-2023-080](https://patchblox.com/security/data/fix/linux/alas2023-2023-080.md) | Feb 17, 2023 |

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Data as of 2026-11-08T19:12:23Z 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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