DEBIAN-CVE-2016-1570

DEBIAN-CVE-2016-1570 PUBLISHED CVSS 8.5 HIGH

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.

Risk Scores

CVSS v3.0

8.5

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions
Debian:13	xen	0, 0, 0
Debian:11	xen	0, 0, 0
Debian:14	xen	0, 0, 0
Debian:12	xen	0, 0, 0

Timeline

Jan 22, 2016 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2016-1570 advisory

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