GLSA-201705-11 : Xen: Multiple vulnerabilities

High Nessus Plugin ID 100443

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VPR Score: 6.5

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-201705-11 (Xen: Multiple vulnerabilities)

Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers and Xen Security Advisory referenced below for details.
Impact :

A local attacker could potentially execute arbitrary code with privileges of Xen (QEMU) process on the host, gain privileges on the host system, or cause a Denial of Service condition.
Workaround :

There is no known workaround at this time.

Solution

All Xen users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=app-emulation/xen-4.7.2-r1:0' All Xen Tools users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=app-emulation/xen-tools-4.7.2:0' All Xen pvgrub users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=app-emulation/xen-pvgrub-4.7.2:0'

See Also

https://security.gentoo.org/glsa/201705-11

Plugin Details

Severity: High

ID: 100443

File Name: gentoo_GLSA-201705-11.nasl

Version: 3.5

Type: local

Published: 2017/05/26

Updated: 2020/09/28

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 6.5

CVSS v2.0

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.0

Base Score: 8.8

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:xen, p-cpe:/a:gentoo:linux:xen-pvgrub, p-cpe:/a:gentoo:linux:xen-tools, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 2017/05/26

Vulnerability Publication Date: 2017/05/11

Reference Information

CVE: CVE-2017-8903, CVE-2017-8904, CVE-2017-8905

GLSA: 201705-11