Debian DSA-4769-1 : xen - security update

high Nessus Plugin ID 141138

Synopsis

The remote Debian host is missing a security-related update.

Description

Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, guest-to-host privilege escalation or information leaks.

Solution

Upgrade the xen packages.

For the stable distribution (buster), these problems have been fixed in version 4.11.4+37-g3263f257ca-1.

See Also

https://security-tracker.debian.org/tracker/source-package/xen

https://packages.debian.org/source/buster/xen

https://www.debian.org/security/2020/dsa-4769

Plugin Details

Severity: High

ID: 141138

File Name: debian_DSA-4769.nasl

Version: 1.4

Type: local

Agent: unix

Published: 10/5/2020

Updated: 5/13/2022

Supported Sensors: Frictionless Assessment Agent, Nessus Agent

Risk Information

CVSS Score Source: CVE-2020-25597

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

Vector: AV:L/AC:L/Au:N/C:P/I:P/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:xen, cpe:/o:debian:debian_linux:10.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 10/2/2020

Vulnerability Publication Date: 9/23/2020

Reference Information

CVE: CVE-2020-25595, CVE-2020-25596, CVE-2020-25597, CVE-2020-25599, CVE-2020-25600, CVE-2020-25601, CVE-2020-25602, CVE-2020-25603, CVE-2020-25604

DSA: 4769