CVE-2016-1570

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…

published January 22, 2016

CVSS
—
EPSS
1%
Percentile
66.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01153 · 66.5th percentile
Published
2016-01-22T15:00Z
EPSS history
Timeline
  • 22 JAN 15:00Z
    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…
    cvelistv5