# CVE-2022-21136: microcode_ctl: For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.1 Release Notes linked from t...

CVE-2022-21136 is fixed in microcode_ctl on 1 platform, first by RHBA-2022:8351, released November 15, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-21136
- Priority: Routine
- CVSS: 2.7 (Moderate)
- EPSS: 0.0027
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 15, 2022

## Description

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.1 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | microcode_ctl RHEL 9 | 4:20220809-1.el9 | [RHBA-2022:8351](https://patchblox.com/security/data/fix/linux/rhba-2022-8351.md) | Nov 15, 2022 |
| Linux | microcode_ctl amzn 2023 | 2:2.1-53.amzn2023 | [ALAS2023-2023-055](https://patchblox.com/security/data/fix/linux/alas2023-2023-055.md) | Feb 17, 2023 |

---

Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.