Incorrect permission assignment in dracut
Priority LOW 34CWE-732Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
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.
Why it matters now
EPSS 0.00309 23rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| The Dracut Project | dracut | 045 | — | No fix listed | CNA |
- dracut VendorThe Dracut Project Affected 045 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dracut_project:dracut:*:*:*:*:*:*:*:* | before 045 | Vulnerable | The Dracut Project |
- cpe:2.3:a:dracut_project:dracut:*:*:*:*:*:*:*:* Versions before 045 Vulnerable ·The Dracut Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2016-8637
- 2026-10-03 Alias added: GHSA-wf9g-696p-j466
References
More The Dracut Project Dracut vulnerabilities
- TI-2010-03930 plymouth-pretrigger.sh in dracut and udev, when running on Fedora 13 and 14, sets weak… CVSS 2.0MEDIUM 4.0
- TI-2015-00736 modules.d/90crypt/module-setup.sh in the dracut package before 037-17.30.1 in openSUSE… CVSS 2.0LOW 3.6
- TI-2012-03795 dracut.sh in dracut, as used in Red Hat Enterprise Linux 6, Fedora 16 and 17, and… CVSS 2.0LOW 2.1
Sources
- CVE-2016-8637 · CVE Program
- CVE-2016-8637 · NVD
- FIRST EPSS
- GHSA-wf9g-696p-j466 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-8637 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences