CVEvulnerability

CVE-2016-1570

8.5 HIGH Published 2016-01-22 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-01-22
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
8.5 HIGH — CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
Weaknesses
CWE-20

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.

Affected configurations

• xen xen 3.4.0 • xen xen 3.4.1 • xen xen 4.1.0 • xen xen 4.1.1 • xen xen 4.1.2 • xen xen 4.1.3 • xen xen 4.1.4 • xen xen 4.1.5 • xen xen 4.1.6 • xen xen 4.1.6.1 • xen xen 4.2.0 • xen xen 4.2.1 • xen xen 4.2.2 • xen xen 4.2.3 • xen xen 4.2.4 • xen xen 4.2.5 • xen xen 4.3.0 • xen xen 4.3.1 • xen xen 4.3.2 • xen xen 4.3.3 • xen xen 4.3.4 • xen xen 4.4.0 • xen xen 4.4.1 • xen xen 4.4.2 • xen xen 4.4.3 • xen xen 4.5.0 • xen xen 4.5.1 • xen xen 4.5.2 • xen xen 4.6.0

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References