# ALSA-2022:1550: kernel-tools-libs-devel security update

ALSA-2022:1550, released April 26, 2022, fixes 2 CVEs in kernel-tools-libs-devel (version 4.18.0-348.23.1.el8_5). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2022-1550
- Platform: Linux
- Released: Apr 26, 2022
- Priority: High (Closes CVE-2022-25636, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2022:1550

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-tools-libs-devel](https://patchblox.com/security/data/product/linux/kernel-tools-libs-devel.md) | almalinux 8 | 4.18.0-348.23.1.el8_5 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-25636](https://patchblox.com/security/data/cve/CVE-2022-25636.md) | High | kernel-rt-core: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 7.8 | 0.0263 |  |
| [CVE-2021-4028](https://patchblox.com/security/data/cve/CVE-2021-4028.md) | High | kernel-rt-debug: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 7.8 | 0.0032 |  |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo