# cloud-init security updates

Patch Radar has 57 security fixes for cloud-init, closing 9 CVEs. The newest security fix is RLSA-2025:11324 (0:23.4-7.el8_10.10.0.2), released May 21, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [RLSA-2025:11324](https://patchblox.com/security/data/fix/linux/rlsa-2025-11324.md) | May 21, 2026 | rocky 8 0:23.4-7.el8_10.10.0.2 | High | 1 | 0 |
| [OPENSUSE-RU-2026:20129-1](https://patchblox.com/security/data/fix/linux/opensuse-ru-2026-20129-1.md) | Jan 29, 2026 | opensuse-leap 16.0 25.1.3-160000.2.1 | High | 2 | 0 |
| [SUSE-RU-2026:20192-1](https://patchblox.com/security/data/fix/linux/suse-ru-2026-20192-1.md) | Jan 29, 2026 | sles 16.0 25.1.3-160000.2.1 | High | 2 | 0 |
| [cloud-init 25.1.4-0ubuntu0~25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-cloud-init-25.1.4-0ubuntu0-25.04.1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 25.1.4-0ubuntu0~25.04.1 | High | 2 | 0 |
| [ELSA-2025-11324](https://patchblox.com/security/data/fix/linux/elsa-2025-11324.md) | Jul 21, 2025 | ol 8 0:23.4-7.0.2.el8_10.10 | High | 1 | 0 |
| [ALSA-2025:11324](https://patchblox.com/security/data/fix/linux/alsa-2025-11324.md) | Jul 16, 2025 | almalinux 8 23.4-7.el8_10.10.alma.1 | High | 1 | 0 |
| [RHSA-2025:11324](https://patchblox.com/security/data/fix/linux/rhsa-2025-11324.md) | Jul 16, 2025 | RHEL 8 0:23.4-7.el8_10.10 | High | 1 | 0 |
| [ALSA-2025:10844](https://patchblox.com/security/data/fix/linux/alsa-2025-10844.md) | Jul 14, 2025 | almalinux 10 24.4-3.el10_0.2 | High | 1 | 0 |
| [ALSA-2025:10848](https://patchblox.com/security/data/fix/linux/alsa-2025-10848.md) | Jul 14, 2025 | almalinux 9 24.4-4.el9_6.3.alma.1 | High | 1 | 0 |
| [ELSA-2025-10844](https://patchblox.com/security/data/fix/linux/elsa-2025-10844.md) | Jul 14, 2025 | ol 10 0:24.4-3.0.1.el10_0.2 | High | 1 | 0 |
| [ELSA-2025-10848](https://patchblox.com/security/data/fix/linux/elsa-2025-10848.md) | Jul 14, 2025 | ol 9 0:24.4-4.0.1.el9_6.3 | High | 1 | 0 |
| [RHSA-2025:10848](https://patchblox.com/security/data/fix/linux/rhsa-2025-10848.md) | Jul 14, 2025 | RHEL 9 0:24.4-4.el9_6.3 | High | 1 | 0 |
| [ALAS2023-2025-1082](https://patchblox.com/security/data/fix/linux/alas2023-2025-1082.md) | Jul 3, 2025 | amzn 2023 22.2.2-1.amzn2023.1.14 | High | 1 | 0 |
| [DEBIAN-CVE-2024-6174](https://patchblox.com/security/data/fix/linux/debian-cve-2024-6174.md) | Jun 26, 2025 | Debian 12.15 (bookworm) 22.4.2-1+deb12u3 | High | 1 | 0 |
| [DEBIAN-CVE-2024-6174](https://patchblox.com/security/data/fix/linux/debian-cve-2024-6174.md) | Jun 26, 2025 | Debian 13.5 (trixie) 25.1.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-6174](https://patchblox.com/security/data/fix/linux/debian-cve-2024-6174.md) | Jun 26, 2025 | Debian 14 25.1.4-1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-11584](https://patchblox.com/security/data/fix/linux/debian-cve-2024-11584.md) | Jun 26, 2025 | Debian 12.15 (bookworm) 22.4.2-1+deb12u3 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-11584](https://patchblox.com/security/data/fix/linux/debian-cve-2024-11584.md) | Jun 26, 2025 | Debian 13.5 (trixie) 25.1.4-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2024-11584](https://patchblox.com/security/data/fix/linux/debian-cve-2024-11584.md) | Jun 26, 2025 | Debian 14 25.1.4-1 | Routine | 1 | 0 |
| [RHSA-2025:10844](https://patchblox.com/security/data/fix/linux/rhsa-2025-10844.md) | Jun 26, 2025 | RHEL 10 24.4-3.el10_0.2 | High | 1 | 0 |
| [cloud-init 23.1.2-0ubuntu0~18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cloud-init-23.1.2-0ubuntu0-18.04.1-esm1.md) | Jun 26, 2025 | Ubuntu 18.04.6 LTS (bionic) 23.1.2-0ubuntu0~18.04.1+esm1 | High | 2 | 0 |
| [cloud-init 24.4.1-0ubuntu0~20.04.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-cloud-init-24.4.1-0ubuntu0-20.04.3-esm1.md) | Jun 26, 2025 | Ubuntu 20.04 LTS (focal) 24.4.1-0ubuntu0~20.04.3+esm1 | High | 2 | 0 |
| [cloud-init 25.1.4-0ubuntu0~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-cloud-init-25.1.4-0ubuntu0-22.04.1.md) | Jun 26, 2025 | Ubuntu 22.04.1 LTS (jammy) 25.1.4-0ubuntu0~22.04.1 | High | 2 | 0 |
| [cloud-init 25.1.4-0ubuntu0~24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-cloud-init-25.1.4-0ubuntu0-24.04.1.md) | Jun 26, 2025 | Ubuntu 24.04.5 LTS (noble) 25.1.4-0ubuntu0~24.04.1 | High | 2 | 0 |
| [ALSA-2023:6943](https://patchblox.com/security/data/fix/linux/alsa-2023-6943.md) | Nov 14, 2023 | almalinux 8 23.1.1-10.el8.alma.1 | Routine | 1 | 0 |
| [RHSA-2023:6943](https://patchblox.com/security/data/fix/linux/rhsa-2023-6943.md) | Nov 14, 2023 | RHEL 8 0:23.1.1-10.el8 | Routine | 1 | 0 |
| [ELSA-2023-6371](https://patchblox.com/security/data/fix/linux/elsa-2023-6371.md) | Nov 11, 2023 | ol 9 0:23.1.1-11.0.2.el9 | Routine | 1 | 0 |
| [ALSA-2023:6371](https://patchblox.com/security/data/fix/linux/alsa-2023-6371.md) | Nov 7, 2023 | almalinux 9 23.1.1-11.el9.alma.1 | Routine | 1 | 0 |
| [RHSA-2023:6371](https://patchblox.com/security/data/fix/linux/rhsa-2023-6371.md) | Nov 7, 2023 | RHEL 9 0:23.1.1-11.el9 | Routine | 1 | 0 |
| [ALAS2023-2023-196](https://patchblox.com/security/data/fix/linux/alas2023-2023-196.md) | Jun 5, 2023 | amzn 2023 22.2.2-1.amzn2023.1.8 | Routine | 1 | 0 |
| [ELSA-2023-12298](https://patchblox.com/security/data/fix/linux/elsa-2023-12298.md) | Apr 27, 2023 | ol 8 0:22.1-6.0.4.el8_7.2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-1786](https://patchblox.com/security/data/fix/linux/debian-cve-2023-1786.md) | Apr 26, 2023 | Debian 13.5 (trixie) 23.2-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2023-1786](https://patchblox.com/security/data/fix/linux/debian-cve-2023-1786.md) | Apr 26, 2023 | Debian 14 23.2-1 | Routine | 1 | 0 |
| [cloud-init 23.1.2-0ubuntu0~18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cloud-init-23.1.2-0ubuntu0-18.04.1.md) | Apr 25, 2023 | Ubuntu 18.04.6 LTS (bionic) 23.1.2-0ubuntu0~18.04.1 | Routine | 1 | 0 |
| [cloud-init 23.1.2-0ubuntu0~20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-cloud-init-23.1.2-0ubuntu0-20.04.1.md) | Apr 25, 2023 | Ubuntu 20.04 LTS (focal) 23.1.2-0ubuntu0~20.04.1 | Routine | 1 | 0 |
| [cloud-init 23.1.2-0ubuntu0~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-cloud-init-23.1.2-0ubuntu0-22.04.1.md) | Apr 25, 2023 | Ubuntu 22.04.1 LTS (jammy) 23.1.2-0ubuntu0~22.04.1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-2084](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2084.md) | Apr 19, 2023 | Debian 12.15 (bookworm) 22.2-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-2084](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2084.md) | Apr 19, 2023 | Debian 13.5 (trixie) 22.2-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-2084](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2084.md) | Apr 19, 2023 | Debian 14 22.2-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-3429](https://patchblox.com/security/data/fix/linux/debian-cve-2021-3429.md) | Apr 19, 2023 | Debian 12.15 (bookworm) 20.4.1-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-3429](https://patchblox.com/security/data/fix/linux/debian-cve-2021-3429.md) | Apr 19, 2023 | Debian 13.5 (trixie) 20.4.1-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-3429](https://patchblox.com/security/data/fix/linux/debian-cve-2021-3429.md) | Apr 19, 2023 | Debian 14 20.4.1-2 | Routine | 1 | 0 |
| [cloud-init 21.1-19-gbad84ad4-0ubuntu1~18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cloud-init-21.1-19-gbad84ad4-0ubuntu1-18.04.1.md) | Apr 19, 2023 | Ubuntu 18.04.6 LTS (bionic) 21.1-19-gbad84ad4-0ubuntu1~18.04.1 | Routine | 1 | 0 |
| [cloud-init 21.1-19-gbad84ad4-0ubuntu1~20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-cloud-init-21.1-19-gbad84ad4-0ubuntu1-20.04.1.md) | Apr 19, 2023 | Ubuntu 20.04 LTS (focal) 21.1-19-gbad84ad4-0ubuntu1~20.04.1 | Routine | 1 | 0 |
| [cloud-init 22.2-0ubuntu1~18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cloud-init-22.2-0ubuntu1-18.04.3.md) | Jun 29, 2022 | Ubuntu 18.04.6 LTS (bionic) 22.2-0ubuntu1~18.04.3 | Routine | 1 | 0 |
| [cloud-init 22.2-0ubuntu1~20.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-cloud-init-22.2-0ubuntu1-20.04.3.md) | Jun 29, 2022 | Ubuntu 20.04 LTS (focal) 22.2-0ubuntu1~20.04.3 | Routine | 1 | 0 |
| [cloud-init 22.2-0ubuntu1~22.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-cloud-init-22.2-0ubuntu1-22.04.3.md) | Jun 29, 2022 | Ubuntu 22.04.1 LTS (jammy) 22.2-0ubuntu1~22.04.3 | Routine | 1 | 0 |
| [ELSA-2021-3081](https://patchblox.com/security/data/fix/linux/elsa-2021-3081.md) | Aug 12, 2021 | ol 8 0:20.3-10.0.1.el8_4.5 | Routine | 1 | 0 |
| [RHSA-2021:3081](https://patchblox.com/security/data/fix/linux/rhsa-2021-3081.md) | Aug 10, 2021 | RHEL 8 0:20.3-10.el8_4.5 | Routine | 1 | 0 |
| [ELSA-2020-4650](https://patchblox.com/security/data/fix/linux/elsa-2020-4650.md) | Nov 10, 2020 | ol 8 0:19.4-11.0.1.el8 | High | 2 | 0 |
| [RHSA-2020:4650](https://patchblox.com/security/data/fix/linux/rhsa-2020-4650.md) | Nov 4, 2020 | RHEL 8 0:19.4-11.el8 | High | 2 | 0 |
| [RHSA-2020:3050](https://patchblox.com/security/data/fix/linux/rhsa-2020-3050.md) | Jul 21, 2020 | RHEL 8 0:19.4-1.el8.7 | Routine | 1 | 0 |
| [cloud-init 20.2-45-g5f7825e2-0ubuntu1~18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cloud-init-20.2-45-g5f7825e2-0ubuntu1-18.04.1.md) | Feb 5, 2020 | Ubuntu 18.04.6 LTS (bionic) 20.2-45-g5f7825e2-0ubuntu1~18.04.1 | High | 2 | 0 |
| [cloud-init 20.1-10-g71af48df-0ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-cloud-init-20.1-10-g71af48df-0ubuntu5.md) | Feb 5, 2020 | Ubuntu 20.04 LTS (focal) 20.1-10-g71af48df-0ubuntu5 | High | 1 | 0 |
| [cloud-init 21.4-25-g039c40f9-0ubuntu1~22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-cloud-init-21.4-25-g039c40f9-0ubuntu1-22.04.1.md) | Feb 5, 2020 | Ubuntu 22.04.1 LTS (jammy) 21.4-25-g039c40f9-0ubuntu1~22.04.1 | High | 1 | 0 |
| [RHBA-2019:1992](https://patchblox.com/security/data/fix/linux/rhba-2019-1992.md) | Jul 30, 2019 | RHEL 8 0:18.5-1.el8.4 | Routine | 1 | 0 |
| [cloud-init 18.5-45-g3554ffe8-0ubuntu1~18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-cloud-init-18.5-45-g3554ffe8-0ubuntu1-18.04.1.md) | Apr 8, 2019 | Ubuntu 18.04.6 LTS (bionic) 18.5-45-g3554ffe8-0ubuntu1~18.04.1 | Routine | 1 | 0 |

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Data as of 2026-11-07T12:40:37Z 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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