Description
Sensitive data could be exposed in world readable logs of cloud-init before version 22.3 when schema failures are reported. This leak could include hashed passwords.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Canonical | cloud-init | < 23.0 | 23.0 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | cloud-init | 22.2-2 | — |
| Debian 13 | cloud-init | 22.2-2 | — |
| Debian 12 | cloud-init | 22.2-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | cloud-init | 22.2-0ubuntu1~22.04.3 | USN-5496-1 |
| Ubuntu 20.04 LTS | cloud-init | 22.2-0ubuntu1~20.04.3 | USN-5496-1 |
| Ubuntu 18.04 LTS | cloud-init | 22.2-0ubuntu1~18.04.3 | USN-5496-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | cloud-init | 23.1-150100.8.63.5 | SUSE-SU-2023:2628-1 |
| SLES 15 SP4 | cloud-init | 23.1-150100.8.63.5 | SUSE-SU-2023:2628-1 |
| SLES 15 SP3 | cloud-init | 23.1-150100.8.63.5 | SUSE-SU-2023:2628-1 |
| SLES 15 SP2 | cloud-init | 23.1-150100.8.63.5 | SUSE-SU-2023:2628-1 |
| SLES 15 SP1 | cloud-init | 23.1-150100.8.63.5 | SUSE-SU-2023:2628-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | cloud-init | 23.1-1.1 | openSUSE-SU-2024:12738-1 |
| openSUSE Leap 15.5 | cloud-init | 23.1-150100.8.63.5 | SUSE-SU-2023:2628-1 |
| openSUSE Leap 15.4 | cloud-init | 23.1-150100.8.63.5 | SUSE-SU-2023:2628-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | cloud-init | 22.2.2-r0 | — |
| Alpine v3.23 | cloud-init | 22.2.2-r0 | — |
| Alpine v3.22 | cloud-init | 22.2.2-r0 | — |
| Alpine v3.21 | cloud-init | 22.2.2-r0 | — |
| Alpine v3.20 | cloud-init | 22.2.2-r0 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | cloud-init | 22.2.2-r0 | — |
| Alpine v3.18 | cloud-init | 22.2.2-r0 | — |
| Alpine v3.17 | cloud-init | 22.2.2-r0 | — |
| Alpine v3.16 | cloud-init | 22.2.2-r0 | — |
Advisories 3
- USN-5496-1 cloud-init vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2023:2628-1 Security update for cloud-init SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12738-1 cloud-init-23.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026