CVE-2016-1570

Published Jan 22, 2016

Last updated 6 years ago

Overview

Description
The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates.
Source
cve@mitre.org
NVD status
Modified

Social media

Hype score
Not currently trending

Risk scores

CVSS 3.0

Type
Primary
Base score
8.5
Impact score
6
Exploitability score
1.8
Vector string
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
6.9
Impact score
10
Exploitability score
3.4
Vector string
AV:L/AC:M/Au:N/C:C/I:C/A:C

Weaknesses

nvd@nist.gov
CWE-20

Configurations