Debian DSA-4888-1 : xen - security update

high Nessus Plugin ID 148444

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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, privilege escalation or memory disclosure.

Solution

Upgrade the xen packages.

For the stable distribution (buster), these problems have been fixed in version 4.11.4+99-g8bce4698f6-1.

Plugin Details

Severity: High

ID: 148444

File Name: debian_DSA-4888.nasl

Version: 1.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 4/12/2021

Updated: 1/12/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 4.4

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

CVSS Score Source: CVE-2021-27379

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: 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: 4/10/2021

Vulnerability Publication Date: 2/17/2021

Reference Information

CVE: CVE-2021-26933, CVE-2021-27379

DSA: 4888

Detections

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