Debian DSA-4931-1 : xen - security update

high Nessus Plugin ID 150803

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 or information leaks.

Solution

Upgrade the xen packages.

For the stable distribution (buster), these problems have been fixed in version 4.11.4+107-gef32c7afa2-1.

See Also

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

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

https://www.debian.org/security/2021/dsa-4931

Plugin Details

Severity: High

ID: 150803

File Name: debian_DSA-4931.nasl

Version: 1.8

Type: local

Agent: unix

Published: 6/16/2021

Updated: 12/8/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.1

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

CVSS Score Source: CVE-2021-28692

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

Temporal Vector: CVSS:3.0/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: 6/15/2021

Vulnerability Publication Date: 6/9/2021

Reference Information

CVE: CVE-2021-0089, CVE-2021-26313, CVE-2021-28690, CVE-2021-28692

DSA: 4931

IAVB: 2021-B-0060-S