# ALSA-2022:0323: Security update for 8 packages

ALSA-2022:0323, released January 31, 2022, fixes 1 CVE across 8 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2022-0323
- Platform: Linux
- Released: Jan 31, 2022
- Priority: High (Closes CVE-2021-23017, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2022:0323

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [nginx](https://patchblox.com/security/data/product/linux/nginx.md) | almalinux 8 | 1:1.20.1-1.module_el8.6.0+2782+a022aca3.alma |
| [nginx-all-modules](https://patchblox.com/security/data/product/linux/nginx-all-modules.md) | almalinux 8 | 1:1.20.1-1.module_el8.5.0+2611+ab304644.alma |
| [nginx-filesystem](https://patchblox.com/security/data/product/linux/nginx-filesystem.md) | almalinux 8 | 1:1.20.1-1.module_el8.5.0+2611+ab304644.alma |
| [nginx-mod-http-image-filter](https://patchblox.com/security/data/product/linux/nginx-mod-http-image-filter.md) | almalinux 8 | 1:1.20.1-1.module_el8.6.0+2782+a022aca3.alma |
| [nginx-mod-http-perl](https://patchblox.com/security/data/product/linux/nginx-mod-http-perl.md) | almalinux 8 | 1:1.20.1-1.module_el8.5.0+2611+ab304644.alma |
| [nginx-mod-http-xslt-filter](https://patchblox.com/security/data/product/linux/nginx-mod-http-xslt-filter.md) | almalinux 8 | 1:1.20.1-1.module_el8.5.0+2611+ab304644.alma |
| [nginx-mod-mail](https://patchblox.com/security/data/product/linux/nginx-mod-mail.md) | almalinux 8 | 1:1.20.1-1.module_el8.6.0+2782+a022aca3.alma |
| [nginx-mod-stream](https://patchblox.com/security/data/product/linux/nginx-mod-stream.md) | almalinux 8 | 1:1.20.1-1.module_el8.6.0+2782+a022aca3.alma |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-23017](https://patchblox.com/security/data/cve/CVE-2021-23017.md) | High | nginx-mod-mail: nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, a... | 9.4 | 0.5346 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo
