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VULNERABILITIES

CVE-2016-3157 Details

Description

The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.

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

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://www.debian.org/security/2016/dsa-3607 CVE
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html CVE
http://www.securityfocus.com/bid/84594 CVE
http://www.securitytracker.com/id/1035308 CVE
http://www.ubuntu.com/usn/USN-2968-1 CVE

see all 28 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-264Permissions, Privileges, and Access Controls[email protected]

Affected Products

ProductVersions
xen xen
4.0.0

CPE

  • cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
canonical ubuntu linux
12.04

CPE

  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*

Remediation

  • No remediation found in references.

Change History

15 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2016-3157
NVD Published Date:
Apr 12, 2016
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2016-3157 Details - Not Deferred