Description
A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| The Dracut Project | dracut | 045 | — |
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 | dracut | 044+189-1 | — |
| Debian 13 | dracut | 044+189-1 | — |
| Debian 12 | dracut | 044+189-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | dracut | 110-11ubuntu0.1 | USN-8828-1 |
| Ubuntu 24.04 LTS | dracut | 060+5-1ubuntu3.4 | USN-8828-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | dracut | 051-1ubuntu0.1~esm1 | USN-8828-1 |
| Ubuntu Pro 20.04 LTS | dracut | 048+80-2ubuntu0.1~esm1 | USN-8828-1 |
| Ubuntu Pro 18.04 LTS | dracut | 047-2ubuntu0.1~esm1 | USN-8828-1 |
| Ubuntu Pro 16.04 LTS | dracut | 044+3-3ubuntu0.1~esm1 | USN-8828-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | dracut | 044-108.1 | SUSE-SU-2017:0951-1 |
| SLES 12 SP1 | dracut | 037-91.1 | SUSE-SU-2017:0641-1 |
| SLES 12 | dracut | 037-51.31.1 | SUSE-SU-2017:2696-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | dracut | 044-108.1 | SUSE-SU-2017:0951-1 |
| SLES for SAP 12 SP1 | dracut | 037-91.1 | SUSE-SU-2017:0641-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | dracut | 044-17.1 | openSUSE-SU-2024:10225-1 |
Advisories 5
- USN-8828-1 dracut vulnerabilities Ubuntu Security Notices (USN) · Sep 28, 2026
- openSUSE-SU-2024:10225-1 dracut-044-17.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0951-1 Security update for dracut SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0641-1 Security update for dracut SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2696-1 Security update for dracut SUSE / openSUSE Security Updates · Feb 4, 2026