# CVE-2024-28047: microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors.  Security Fix(es):  * microcode_ct...

CVE-2024-28047 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2024-28047, released February 12, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-28047
- Priority: Routine
- CVSS: 6.5 (Moderate)
- EPSS: 0.0025
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 12, 2025

## Description

The microcode_ctl packages provide microcode updates for Intel and AMD processors.  Security Fix(es):  * microcode_ctl: Improper input validation in UEFI firmware (CVE-2024-28047)  * microcode_ctl: Insufficient granularity of access control in UEFI firmware (CVE-2024-39279)  * microcode_ctl: mproper initialization in UEFI firmware OutOfBandXML module (CVE-2024-31157)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | intel-microcode Debian 12.15 (bookworm) | 3.20250211.1~deb12u1 | [DEBIAN-CVE-2024-28047](https://patchblox.com/security/data/fix/linux/debian-cve-2024-28047.md) | Feb 12, 2025 |
| Linux | intel-microcode Debian 13.5 (trixie) | 3.20250211.1 | [DEBIAN-CVE-2024-28047](https://patchblox.com/security/data/fix/linux/debian-cve-2024-28047.md) | Feb 12, 2025 |
| Linux | intel-microcode Debian 14 | 3.20250211.1 | [DEBIAN-CVE-2024-28047](https://patchblox.com/security/data/fix/linux/debian-cve-2024-28047.md) | Feb 12, 2025 |
| Linux | microcode_ctl RHEL 8 | 4:20250211-1.el8_10 | [RHEA-2025:3114](https://patchblox.com/security/data/fix/linux/rhea-2025-3114.md) | Mar 24, 2025 |
| Linux | microcode_ctl RHEL 9 | 4:20250211-1.el9_6 | [RHSA-2025:7043](https://patchblox.com/security/data/fix/linux/rhsa-2025-7043.md) | May 13, 2025 |
| Linux | microcode_ctl almalinux 9 | 4:20250211-1.el9_6 | [ALSA-2025:7043](https://patchblox.com/security/data/fix/linux/alsa-2025-7043.md) | May 13, 2025 |
| Linux | microcode_ctl ol 9 | 4:20250211-1.0.1.el9_6 | [ELSA-2025-7043](https://patchblox.com/security/data/fix/linux/elsa-2025-7043.md) | May 16, 2025 |
| Linux | microcode_ctl rocky 9 | 4:20250211-1.el9_6 | [RLSA-2025:7043](https://patchblox.com/security/data/fix/linux/rlsa-2025-7043.md) | Oct 4, 2025 |

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Data as of 2026-11-08T06:59:42Z 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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