CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 8.5. It may lead to a denial-of-service condition.
CVE
CVE-2016-1570
Severity
HIGH
CVSS
8.5
EPSS
1.15%
Original NVD 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.