# RHSA-2022:8385: Security update for 4 packages

RHSA-2022:8385, released November 15, 2022, fixes 1 CVE across 4 products. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2022-8385
- Platform: Linux
- Released: Nov 15, 2022
- Priority: Routine (Closes CVE-2021-25220)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2022:8385

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [dhcp-client](https://patchblox.com/security/data/product/linux/dhcp-client.md) | RHEL 9 | 12:4.4.2-17.b1.el9 |
| [dhcp-common](https://patchblox.com/security/data/product/linux/dhcp-common.md) | RHEL 9 | 12:4.4.2-17.b1.el9 |
| [dhcp-relay](https://patchblox.com/security/data/product/linux/dhcp-relay.md) | RHEL 9 | 12:4.4.2-17.b1.el9 |
| [dhcp-server](https://patchblox.com/security/data/product/linux/dhcp-server.md) | RHEL 9 | 12:4.4.2-17.b1.el9 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-25220](https://patchblox.com/security/data/cve/CVE-2021-25220.md) | Routine | bind9.16-devel: The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols | 6.8 | 0.0345 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo