Code Affecting xen package, versions <4.4.1-5


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-XEN-367267
  • published1 Dec 2014
  • disclosed1 Dec 2014

Introduced: 1 Dec 2014

CVE-2014-8866  (opens in a new tab)
CWE-17  (opens in a new tab)

How to fix?

Upgrade Debian:unstable xen to version 4.4.1-5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers while in 64-bit mode.

CVSS Scores

version 3.1