CVE-2016-8637

Name: CVE-2016-8637
Creator: NVD / NIST
Published: 2018-08-01T13:29:00.263+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.31%

Last modified Jun 17, 2026

CVE-2016-8637 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.31%

22.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dracut Project	Dracut	< 045

References

http://seclists.org/oss-sec/2016/q4/352Exploit, Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94128Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637Exploit, Issue Tracking, Third Party Advisory
https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4Patch, Third Party Advisory
http://seclists.org/oss-sec/2016/q4/352Exploit, Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/94128Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637Exploit, Issue Tracking, Third Party Advisory
https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4Patch, Third Party Advisory

Timeline

Published: Aug 1, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-8637?

How severe is CVE-2016-8637?

Severity scoring for CVE-2016-8637 is pending analysis. The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2016-8637?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-8637?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST