CVE-2017-2583 Detail

Current Description

The load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  8.4 HIGH
Vector:  CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H


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://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=33ab91103b3415e12457e3104f0e4517ce12d0f3 Issue Tracking  Third Party Advisory 
http://www.debian.org/security/2017/dsa-3791
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5 Release Notes  Vendor Advisory 
http://www.openwall.com/lists/oss-security/2017/01/19/2 Mailing List  Third Party Advisory 
http://www.securityfocus.com/bid/95673 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2017:1615
https://access.redhat.com/errata/RHSA-2017:1616
https://bugzilla.redhat.com/show_bug.cgi?id=1414735 Issue Tracking  Patch 
https://github.com/torvalds/linux/commit/33ab91103b3415e12457e3104f0e4517ce12d0f3 Issue Tracking  Patch  Third Party Advisory 
https://usn.ubuntu.com/3754-1/

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-2583
NVD Published Date:
02/06/2017
NVD Last Modified:
10/02/2019
Source:
Red Hat, Inc.