# RHSA-2023:1591: Security update for 2 packages

RHSA-2023:1591, released April 4, 2023, fixes 1 CVE across 2 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2023-1591
- Platform: Linux
- Released: Apr 4, 2023
- Priority: High (Closes CVE-2023-28154, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2023:1591

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [pcs](https://patchblox.com/security/data/product/linux/pcs.md) | RHEL 9 | 0:0.11.3-4.el9_1.3 |
| [pcs-snmp](https://patchblox.com/security/data/product/linux/pcs-snmp.md) | RHEL 9 | 0:0.11.3-4.el9_1.3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-28154](https://patchblox.com/security/data/cve/CVE-2023-28154.md) | High | pcs: The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.  Security Fix(... | 9.8 | 0.0141 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo