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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2016-01-22T15:00:00

Updated: 2024-08-05T23:02:11.689Z

Reserved: 2016-01-11T00:00:00

Link: CVE-2016-1570

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2016-01-22T15:59:05.913

Modified: 2018-10-30T16:26:53.700

Link: CVE-2016-1570

cve-icon Redhat

Severity : Important

Publid Date: 2016-01-20T00:00:00Z

Links: CVE-2016-1570 - Bugzilla