# RHEA-2025:3114: microcode_ctl security update

RHEA-2025:3114, released March 24, 2025, fixes 10 CVEs in microcode_ctl (version 4:20250211-1.el8_10). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhea-2025-3114
- Platform: Linux
- Released: Mar 24, 2025
- Priority: High (Closes CVE-2023-43758, high severity)
- CVEs: 10, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHEA-2025:3114

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [microcode_ctl](https://patchblox.com/security/data/product/linux/microcode-ctl.md) | RHEL 8 | 4:20250211-1.el8_10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-43758](https://patchblox.com/security/data/cve/CVE-2023-43758.md) | High | microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors.  Bug Fix(es) and Enhancement(s):... | 8.2 | 0.0028 |  |
| [CVE-2023-34440](https://patchblox.com/security/data/cve/CVE-2023-34440.md) | High | microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors.  Bug Fix(es) and Enhancement(s):... | 7.5 | 0.0025 |  |
| [CVE-2024-24582](https://patchblox.com/security/data/cve/CVE-2024-24582.md) | High | microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors.  Bug Fix(es) and Enhancement(s):... | 7.5 | 0.0025 |  |
| [CVE-2024-28127](https://patchblox.com/security/data/cve/CVE-2024-28127.md) | High | microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors.  Bug Fix(es) and Enhancement(s):... | 7.5 | 0.0025 |  |
| [CVE-2024-29214](https://patchblox.com/security/data/cve/CVE-2024-29214.md) | High | microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors.  Bug Fix(es) and Enhancement(s):... | 7.5 | 0.0025 |  |
| [CVE-2024-36293](https://patchblox.com/security/data/cve/CVE-2024-36293.md) | Routine | ucode-intel: This update for ucode-intel fixes the following issues:  - Intel CPU Microcode was updated to the 20250211 release (b... | 6.5 | 0.0027 |  |
| [CVE-2024-28047](https://patchblox.com/security/data/cve/CVE-2024-28047.md) | Routine | microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors.  Security Fix(es):  * microcode_ct... | 6.5 | 0.0025 |  |
| [CVE-2024-31068](https://patchblox.com/security/data/cve/CVE-2024-31068.md) | Routine | ucode-intel: This update for ucode-intel fixes the following issues:  - Intel CPU Microcode was updated to the 20250211 release (b... | 5.3 | 0.0024 |  |
| [CVE-2024-31157](https://patchblox.com/security/data/cve/CVE-2024-31157.md) | Routine | microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors.  Security Fix(es):  * microcode_ct... | 6.5 | 0.0023 |  |
| [CVE-2024-39279](https://patchblox.com/security/data/cve/CVE-2024-39279.md) | Routine | intel-microcode: Insufficient granularity of access control in UEFI firmware in someIntel(R) processors may allow a authenticated user... | 6.5 | 0.0022 |  |

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Data as of 2026-11-08T19:12:23Z 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

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