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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-479-1 xen security update
Debian DSA Debian DSA DSA-3519-1 xen security update
EUVD EUVD EUVD-2016-2665 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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 : Deferred

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

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-1570

cve-icon Redhat

Severity : Important

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

Links: CVE-2016-1570 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses