# DLA-4098-1: amd64-microcode security update

DLA-4098-1, released March 31, 2025, fixes 1 CVE in amd64-microcode (version 3.20250311.1~deb11u1). None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dla-4098-1
- Platform: Linux
- Released: Mar 31, 2025
- Priority: High (Closes CVE-2024-56161, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2024-56161

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [amd64-microcode](https://patchblox.com/security/data/product/linux/amd64-microcode.md) | Debian 11.6 (bullseye) | 3.20250311.1~deb11u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-56161](https://patchblox.com/security/data/cve/CVE-2024-56161.md) | High | amd64-microcode: Improper signature verification in AMD CPU ROM microcode patch loader mayallow an attacker with local administrator p... | 7.2 | 0.0053 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo