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.
Published 2016-01-22 15:59:06
Updated 2018-10-30 16:26:54
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2016-1570

Probability of exploitation activity in the next 30 days: 0.16%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 52 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2016-1570

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
6.9
MEDIUM AV:L/AC:M/Au:N/C:C/I:C/A:C
3.4
10.0
NIST
8.5
HIGH CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
1.8
6.0
NIST

CWE ids for CVE-2016-1570

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-1570

Products affected by CVE-2016-1570

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