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CVE-2016-8637 Details

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

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:5 MEDIUMVector:CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637	CVE	ExploitIssue TrackingThird Party Advisory
http://seclists.org/oss-sec/2016/q4/352	CVE	ExploitMailing ListThird Party Advisory
https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4	CVE	PatchThird Party Advisory
http://www.securityfocus.com/bid/94128	CVE	Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8637	[email protected]	ExploitIssue TrackingThird Party Advisory
http://seclists.org/oss-sec/2016/q4/352	[email protected]	ExploitMailing ListThird Party Advisory
https://github.com/dracutdevs/dracut/commit/0db98910a11c12a454eac4c8e86dc7a7bbc764a4	[email protected]	PatchThird Party Advisory
http://www.securityfocus.com/bid/94128	[email protected]	Third Party AdvisoryVDB Entry

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-200	Exposure of Sensitive Information to an Unauthorized Actor	[email protected]
CWE-732	Incorrect Permission Assignment for Critical Resource	[email protected]

Affected Products

Product	Versions
dracut project dracut	< 045
CPE cpe:2.3:a:dracut_project:dracut:::::::: Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Feb 12, 2023	CVE Modified	[email protected]
Mar 11, 2020	CVE Modified	[email protected]
Oct 9, 2019	CVE Modified	[email protected]
Oct 9, 2018	Initial Analysis	[email protected]
Aug 3, 2018	CVE Modified	[email protected]