CVE-2015-7837 Detail

Current Description

The Linux kernel, as used in Red Hat Enterprise Linux 7, kernel-rt, and Enterprise MRG 2 and when booted with UEFI Secure Boot enabled, allows local users to bypass intended securelevel/secureboot restrictions by leveraging improper handling of secure_boot flag across kexec reboot.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://rhn.redhat.com/errata/RHSA-2015-2152.html Vendor Advisory 
http://rhn.redhat.com/errata/RHSA-2015-2411.html Vendor Advisory 
http://www.openwall.com/lists/oss-security/2015/10/15/6 Mailing List  Third Party Advisory 
http://www.securityfocus.com/bid/77097 Third Party Advisory  VDB Entry 
https://bugzilla.redhat.com/show_bug.cgi?id=1272472 Issue Tracking  Vendor Advisory 
https://github.com/mjg59/linux/commit/4b2b64d5a6ebc84214755ebccd599baef7c1b798 Issue Tracking  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-254 7PK - Security Features cwe source acceptance level NIST  

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-7837
NVD Published Date:
09/19/2017
NVD Last Modified:
10/05/2017
Source:
MITRE