# ALAS2023-2024-748: microcode_ctl security update

ALAS2023-2024-748, released October 24, 2024, fixes 7 CVEs in microcode_ctl (version 2:2.1-53.amzn2023.0.9). None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/alas2023-2024-748
- Platform: Linux
- Released: Oct 24, 2024
- Priority: Routine (Closes 7 CVEs, none high severity)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://alas.aws.amazon.com/AL2023/ALAS-2024-748.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [microcode_ctl](https://patchblox.com/security/data/product/linux/microcode-ctl.md) | amzn 2023 | 2:2.1-53.amzn2023.0.9 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-23918](https://patchblox.com/security/data/cve/CVE-2024-23918.md) | Routine | intel-microcode: Improper conditions check in some Intel(R) Xeon(R) processor memorycontroller configurations when using Intel(R) SGX... | n/a | 0.0026 |  |
| [CVE-2024-24853](https://patchblox.com/security/data/cve/CVE-2024-24853.md) | Routine | ucode-intel: Updated fix for incorrect behavior order in transition | n/a | 0.0023 |  |
| [CVE-2024-21853](https://patchblox.com/security/data/cve/CVE-2024-21853.md) | Routine | ucode-intel: Faulty finite state machines (FSMs) in the hardware logic in some 4th and 5th Generation Intel Xeon Processors may al... | n/a | 0.0023 |  |
| [CVE-2024-21820](https://patchblox.com/security/data/cve/CVE-2024-21820.md) | Routine | intel-microcode: Incorrect default permissions in some Intel(R) Xeon(R) processor memorycontroller configurations when using Intel(R)... | n/a | 0.0022 |  |
| [CVE-2024-23984](https://patchblox.com/security/data/cve/CVE-2024-23984.md) | Routine | ucode-intel: Observable discrepancy in RAPL interface for some Intel Processors may allow a privileged user to potentially enable... | n/a | 0.0021 |  |
| [CVE-2024-24968](https://patchblox.com/security/data/cve/CVE-2024-24968.md) | Routine | intel-microcode: Improper finite state machines (FSMs) in hardware logic in some Intel(R) Processors may allow an privileged user to p... | n/a | 0.0018 |  |
| [CVE-2024-24980](https://patchblox.com/security/data/cve/CVE-2024-24980.md) | Routine | intel-microcode: Protection mechanism failure in some 3rd, 4th, and 5th Generation Intel(R) Xeon(R) Processors may allow a privileged... | n/a | 0.0017 |  |

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Data as of 2026-11-11T13:47:35Z 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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