The x86 emulator in Xen does not properly treat x86 NULL segments as unusable when accessing memory, which might allow local HVM guest users to gain privileges via vectors involving "unexpected" base/limit values.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-720-1 xen security update
Debian DSA Debian DSA DSA-3729-1 xen security update
EUVD EUVD EUVD-2016-10196 The x86 emulator in Xen does not properly treat x86 NULL segments as unusable when accessing memory, which might allow local HVM guest users to gain privileges via vectors involving "unexpected" base/limit values.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T02:50:37.602Z

Reserved: 2016-11-17T00:00:00

Link: CVE-2016-9386

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2017-01-23T21:59:02.957

Modified: 2025-04-20T01:37:25.860

Link: CVE-2016-9386

cve-icon Redhat

Severity : Moderate

Publid Date: 2016-11-22T00:00:00Z

Links: CVE-2016-9386 - Bugzilla

cve-icon OpenCVE Enrichment

No data.