National Vulnerability Database

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    Vulnerabilities Detail

CVE-2014-5148 Detail

Description

Xen 4.4.x, when running on an ARM system and "handling an unknown system register access from 64-bit userspace," returns to an instruction of the trap handler for kernel space faults instead of an instruction that is associated with faults in 64-bit userspace, which allows local guest users to cause a denial of service (crash) and possibly gain privileges via a crafted process.

Source:  MITRE
Description Last Modified:  10/26/2014

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.6 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/69189
http://www.securitytracker.com/id/1030725
http://xenbits.xenproject.org/xsa/advisory-103.html Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/95233

Technical Details

Vulnerability Type (View All)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-5148
NVD Published Date:
10/26/2014
NVD Last Modified:
08/28/2017