GLSA-201611-09 : Xen: Multiple vulnerabilities (Bunker Buster)

This script is Copyright (C) 2016 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-201611-09
(Xen: Multiple vulnerabilities)

Multiple vulnerabilities have been discovered in Xen. Please review the
CVE identifiers referenced below for details.

Impact :

A malicious guest administrator could escalate their privileges on the
host system or cause a Denial of Service. Additionally, a malicious
unprivileged guest user may be able to obtain or corrupt sensitive
information (including cryptographic material) in other programs in the
same guest.

Workaround :

There is no known workaround at this time.

See also :

https://security.gentoo.org/glsa/201611-09

Solution :

All Xen users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-emulation/xen-4.6.3-r3'
All Xen tools users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-emulation/xen-tools-4.6.3-r2

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 94893 ()

Bugtraq ID:

CVE ID: CVE-2016-6258
CVE-2016-7092
CVE-2016-7093
CVE-2016-7094
CVE-2016-7777

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