This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2016-9386 →

DEBIAN-CVE-2016-9386

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 p...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 xen

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0-1"}]}]

Debian:13 xen

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0-1"}]}]

Debian:14 xen

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.0-1"}]}]

References

advisory security-tracker.debian.org