# amd64-microcode security updates

Patch Radar has 67 security fixes for amd64-microcode, closing 29 CVEs. The newest security fix is amd64-microcode 3.20251202.1ubuntu0.24.04.1, released May 12, 2026.

- Web page: https://patchblox.com/security/product/linux/amd64-microcode
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [amd64-microcode 3.20251202.1ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-amd64-microcode-3.20251202.1ubuntu0.24.04.1.md) | May 12, 2026 | Ubuntu 24.04.5 LTS (noble) 3.20251202.1ubuntu0.24.04.1 | Urgent | 9 | 0 |
| [amd64-microcode 3.20251202.1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-amd64-microcode-3.20251202.1ubuntu1.md) | May 12, 2026 | Ubuntu 26.04.1 LTS (resolute) 3.20251202.1ubuntu1 | Urgent | 9 | 0 |
| [DEBIAN-CVE-2025-52534](https://patchblox.com/security/data/fix/linux/debian-cve-2025-52534.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-52536](https://patchblox.com/security/data/fix/linux/debian-cve-2025-52536.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-54514](https://patchblox.com/security/data/fix/linux/debian-cve-2025-54514.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-48514](https://patchblox.com/security/data/fix/linux/debian-cve-2025-48514.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-48517](https://patchblox.com/security/data/fix/linux/debian-cve-2025-48517.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-29948](https://patchblox.com/security/data/fix/linux/debian-cve-2025-29948.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-29952](https://patchblox.com/security/data/fix/linux/debian-cve-2025-29952.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-29946](https://patchblox.com/security/data/fix/linux/debian-cve-2025-29946.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-48509](https://patchblox.com/security/data/fix/linux/debian-cve-2025-48509.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-29939](https://patchblox.com/security/data/fix/linux/debian-cve-2025-29939.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-0012](https://patchblox.com/security/data/fix/linux/debian-cve-2025-0012.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-0029](https://patchblox.com/security/data/fix/linux/debian-cve-2025-0029.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-0031](https://patchblox.com/security/data/fix/linux/debian-cve-2025-0031.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-21953](https://patchblox.com/security/data/fix/linux/debian-cve-2024-21953.md) | Feb 10, 2026 | Debian 14 3.20260923.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-29943](https://patchblox.com/security/data/fix/linux/debian-cve-2025-29943.md) | Jan 16, 2026 | Debian 14 3.20251202.1 | Routine | 1 | 0 |
| [amd64-microcode 3.20251202.1ubuntu0.25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-amd64-microcode-3.20251202.1ubuntu0.25.10.1.md) | Jan 16, 2026 | Ubuntu 25.10 (questing) 3.20251202.1ubuntu0.25.10.1 | Urgent | 9 | 0 |
| [amd64-microcode 3.20250708.0ubuntu0.25.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-amd64-microcode-3.20250708.0ubuntu0.25.04.2.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 3.20250708.0ubuntu0.25.04.2 | Urgent | 2 | 0 |
| [amd64-microcode 3.20250311.1ubuntu0.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-amd64-microcode-3.20250311.1ubuntu0.25.04.1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 3.20250311.1ubuntu0.25.04.1 | High | 1 | 0 |
| [amd64-microcode 3.20230808.1.1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-amd64-microcode-3.20230808.1.1ubuntu1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 3.20230808.1.1ubuntu1 | Routine | 1 | 0 |
| [amd64-microcode 3.20240116.2+nmu1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-amd64-microcode-3.20240116.2-nmu1ubuntu1.1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 3.20240116.2+nmu1ubuntu1.1 | High | 1 | 0 |
| [amd64-microcode 3.20250311.1ubuntu0.24.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-amd64-microcode-3.20250311.1ubuntu0.24.10.1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 3.20250311.1ubuntu0.24.10.1 | High | 3 | 0 |
| [amd64-microcode 3.20230808.1.1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-amd64-microcode-3.20230808.1.1ubuntu1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 3.20230808.1.1ubuntu1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-62626](https://patchblox.com/security/data/fix/linux/debian-cve-2025-62626.md) | Nov 21, 2025 | Debian 14 3.20251202.1 | High | 1 | 0 |
| [DEBIAN-CVE-2025-29934](https://patchblox.com/security/data/fix/linux/debian-cve-2025-29934.md) | Nov 21, 2025 | Debian 14 3.20251202.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2025-0033](https://patchblox.com/security/data/fix/linux/debian-cve-2025-0033.md) | Oct 14, 2025 | Debian 14 3.20260923.1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2024-36350](https://patchblox.com/security/data/fix/linux/debian-cve-2024-36350.md) | Jul 8, 2025 | Debian 14 3.20251202.1 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2024-36357](https://patchblox.com/security/data/fix/linux/debian-cve-2024-36357.md) | Jul 8, 2025 | Debian 14 3.20251202.1 | Urgent | 1 | 0 |
| [DLA-4098-1](https://patchblox.com/security/data/fix/linux/dla-4098-1.md) | Mar 31, 2025 | Debian 11.6 (bullseye) 3.20250311.1~deb11u1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-56161](https://patchblox.com/security/data/fix/linux/debian-cve-2024-56161.md) | Feb 3, 2025 | Debian 12.15 (bookworm) 3.20250311.1~deb12u1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-56161](https://patchblox.com/security/data/fix/linux/debian-cve-2024-56161.md) | Feb 3, 2025 | Debian 13.5 (trixie) 3.20250311.1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-56161](https://patchblox.com/security/data/fix/linux/debian-cve-2024-56161.md) | Feb 3, 2025 | Debian 14 3.20250311.1 | High | 1 | 0 |
| [amd64-microcode 3.20250311.1ubuntu0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-amd64-microcode-3.20250311.1ubuntu0.24.04.1.md) | Feb 3, 2025 | Ubuntu 24.04.5 LTS (noble) 3.20250311.1ubuntu0.24.04.1 | High | 3 | 0 |
| [DEBIAN-CVE-2023-31356](https://patchblox.com/security/data/fix/linux/debian-cve-2023-31356.md) | Aug 13, 2024 | Debian 12.15 (bookworm) 3.20240820.1~deb12u1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-31356](https://patchblox.com/security/data/fix/linux/debian-cve-2023-31356.md) | Aug 13, 2024 | Debian 13.5 (trixie) 3.20240820.1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-31356](https://patchblox.com/security/data/fix/linux/debian-cve-2023-31356.md) | Aug 13, 2024 | Debian 14 3.20240820.1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-20584](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20584.md) | Aug 13, 2024 | Debian 12.15 (bookworm) 3.20240820.1~deb12u1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-20584](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20584.md) | Aug 13, 2024 | Debian 13.5 (trixie) 3.20240820.1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-20584](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20584.md) | Aug 13, 2024 | Debian 14 3.20240820.1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-31315](https://patchblox.com/security/data/fix/linux/debian-cve-2023-31315.md) | Aug 12, 2024 | Debian 12.15 (bookworm) 3.20240710.2~deb12u1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-31315](https://patchblox.com/security/data/fix/linux/debian-cve-2023-31315.md) | Aug 12, 2024 | Debian 13.5 (trixie) 3.20240710.1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-31315](https://patchblox.com/security/data/fix/linux/debian-cve-2023-31315.md) | Aug 12, 2024 | Debian 14 3.20240710.1 | High | 1 | 0 |
| [amd64-microcode 3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-amd64-microcode-3.20191021.1-really3.20181128.1-ubuntu0.18.04.1-esm3.md) | Aug 12, 2024 | Ubuntu 18.04.6 LTS (bionic) 3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3 | High | 1 | 0 |
| [amd64-microcode 3.20191218.1ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-amd64-microcode-3.20191218.1ubuntu1.3.md) | Aug 12, 2024 | Ubuntu 20.04 LTS (focal) 3.20191218.1ubuntu1.3 | High | 1 | 0 |
| [amd64-microcode 3.20191218.1ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-amd64-microcode-3.20191218.1ubuntu2.3.md) | Aug 12, 2024 | Ubuntu 22.04.1 LTS (jammy) 3.20191218.1ubuntu2.3 | High | 1 | 0 |
| [amd64-microcode 3.20231019.1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-amd64-microcode-3.20231019.1ubuntu2.1.md) | Aug 12, 2024 | Ubuntu 24.04.5 LTS (noble) 3.20231019.1ubuntu2.1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-20592](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20592.md) | Nov 14, 2023 | Debian 12.15 (bookworm) 3.20230719.1~deb12u1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-20592](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20592.md) | Nov 14, 2023 | Debian 13.5 (trixie) 3.20230719.1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-20592](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20592.md) | Nov 14, 2023 | Debian 14 3.20230719.1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-20569](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20569.md) | Aug 8, 2023 | Debian 12.15 (bookworm) 3.20230719.1~deb12u1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-20569](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20569.md) | Aug 8, 2023 | Debian 13.5 (trixie) 3.20230719.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-20569](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20569.md) | Aug 8, 2023 | Debian 14 3.20230719.1 | Routine | 1 | 0 |
| [amd64-microcode 3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-amd64-microcode-3.20191021.1-really3.20181128.1-ubuntu0.18.04.1-esm2.md) | Aug 8, 2023 | Ubuntu 18.04.6 LTS (bionic) 3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm2 | Routine | 1 | 0 |
| [amd64-microcode 3.20191218.1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-amd64-microcode-3.20191218.1ubuntu1.2.md) | Aug 8, 2023 | Ubuntu 20.04 LTS (focal) 3.20191218.1ubuntu1.2 | Routine | 1 | 0 |
| [amd64-microcode 3.20191218.1ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-amd64-microcode-3.20191218.1ubuntu2.2.md) | Aug 8, 2023 | Ubuntu 22.04.1 LTS (jammy) 3.20191218.1ubuntu2.2 | Routine | 1 | 0 |
| [amd64-microcode 3.20230808.1.1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-amd64-microcode-3.20230808.1.1ubuntu1.md) | Aug 8, 2023 | Ubuntu 24.04.5 LTS (noble) 3.20230808.1.1ubuntu1 | Routine | 1 | 0 |
| [DSA-5459-1](https://patchblox.com/security/data/fix/linux/dsa-5459-1.md) | Jul 25, 2023 | Debian 11.6 (bullseye) 3.20230719.1~deb11u1 | High | 1 | 0 |
| [DSA-5459-1](https://patchblox.com/security/data/fix/linux/dsa-5459-1.md) | Jul 25, 2023 | Debian 12.15 (bookworm) 3.20230719.1~deb12u1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-20593](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20593.md) | Jul 24, 2023 | Debian 13.5 (trixie) 3.20230719.1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-20593](https://patchblox.com/security/data/fix/linux/debian-cve-2023-20593.md) | Jul 24, 2023 | Debian 14 3.20230719.1 | High | 1 | 0 |
| [amd64-microcode 3.20230719.1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-amd64-microcode-3.20230719.1ubuntu1.md) | Jul 24, 2023 | Ubuntu 24.10 (oracular) 3.20230719.1ubuntu1 | High | 1 | 0 |
| [amd64-microcode 3.20230719.1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-amd64-microcode-3.20230719.1ubuntu1.md) | Jul 24, 2023 | Ubuntu 25.04 (plucky) 3.20230719.1ubuntu1 | High | 1 | 0 |
| [amd64-microcode 3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-amd64-microcode-3.20191021.1-really3.20181128.1-ubuntu0.18.04.1-esm1.md) | Jul 23, 2023 | Ubuntu 18.04.6 LTS (bionic) 3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm1 | High | 1 | 0 |
| [amd64-microcode 3.20191218.1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-amd64-microcode-3.20191218.1ubuntu1.1.md) | Jul 23, 2023 | Ubuntu 20.04 LTS (focal) 3.20191218.1ubuntu1.1 | High | 1 | 0 |
| [amd64-microcode 3.20191218.1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-amd64-microcode-3.20191218.1ubuntu2.1.md) | Jul 23, 2023 | Ubuntu 22.04.1 LTS (jammy) 3.20191218.1ubuntu2.1 | High | 1 | 0 |
| [amd64-microcode 3.20180524.1~ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-amd64-microcode-3.20180524.1-ubuntu0.18.04.1.md) | Jan 3, 2018 | Ubuntu 18.04.6 LTS (bionic) 3.20180524.1~ubuntu0.18.04.1 | High | 1 | 0 |

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Data as of 2026-11-10T07:50:38Z 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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