# RHSA-2022:6437: Security update for 12 packages

RHSA-2022:6437, released September 13, 2022, fixes 3 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2022-6437
- Platform: Linux
- Released: Sep 13, 2022
- Priority: Routine (Closes 3 CVEs, none high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2022:6437

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | RHEL 8 | 0:4.18.0-372.26.1.rt7.183.el8_6 |
| [kernel-rt-core](https://patchblox.com/security/data/product/linux/kernel-rt-core.md) | RHEL 8 | 0:4.18.0-372.26.1.rt7.183.el8_6 |
| [kernel-rt-debug](https://patchblox.com/security/data/product/linux/kernel-rt-debug.md) | RHEL 8 | 0:4.18.0-372.26.1.rt7.183.el8_6 |
| [kernel-rt-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-core.md) | RHEL 8 | 0:4.18.0-372.26.1.rt7.183.el8_6 |
| [kernel-rt-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-debug-devel.md) | RHEL 8 | 0:4.18.0-372.26.1.rt7.183.el8_6 |
| [kernel-rt-debug-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-debug-kvm.md) | RHEL 8 | 0:4.18.0-372.26.1.rt7.183.el8_6 |
| [kernel-rt-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules.md) | RHEL 8 | 0:4.18.0-372.26.1.rt7.183.el8_6 |
| [kernel-rt-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-extra.md) | RHEL 8 | 0:4.18.0-372.26.1.rt7.183.el8_6 |
| [kernel-rt-devel](https://patchblox.com/security/data/product/linux/kernel-rt-devel.md) | RHEL 8 | 0:4.18.0-372.26.1.rt7.183.el8_6 |
| [kernel-rt-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-kvm.md) | RHEL 8 | 0:4.18.0-372.26.1.rt7.183.el8_6 |
| [kernel-rt-modules](https://patchblox.com/security/data/product/linux/kernel-rt-modules.md) | RHEL 8 | 0:4.18.0-372.26.1.rt7.183.el8_6 |
| [kernel-rt-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-modules-extra.md) | RHEL 8 | 0:4.18.0-372.26.1.rt7.183.el8_6 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-21123](https://patchblox.com/security/data/cve/CVE-2022-21123.md) | Routine | Intel: CVE-2022-21123 Shared Buffers Data Read (SBDR) | 6.1 | 0.0687 |  |
| [CVE-2022-21125](https://patchblox.com/security/data/cve/CVE-2022-21125.md) | Routine | Intel: CVE-2022-21125 Shared Buffers Data Sampling (SBDS) | 6.1 | 0.0645 |  |
| [CVE-2022-21166](https://patchblox.com/security/data/cve/CVE-2022-21166.md) | Routine | Intel: CVE-2022-21166 Device Register Partial Write (DRPW) | 6.1 | 0.0645 |  |

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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