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CVE-2016-8637
A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when…
Medium5.0EPSS 0.31%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Timeline
ID reserved
By redhat
- 22 months later
· 22 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | Medium5.0 | CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N |
| NVDNVD · Modified | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.31% · top 76% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
- affected 045
References (4)
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 94128 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [oss-security] 20161107 CVE-2016-8637: dracut creates world readble initramfs when early cpio is used (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-8637)Record last updated .