Home » QEMU: New security vulnerability! Vulnerability enables denial of service

QEMU: New security vulnerability! Vulnerability enables denial of service

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QEMU: New security vulnerability!  Vulnerability enables denial of service

There is a current IT security warning for QEMU. You can find out what the vulnerability is, which products are affected and what you can do here.

The Federal Office for Security in Information Technology (BSI) published a security notice for QEMU on April 10, 2024. The operating systems Linux, UNIX and Windows as well as the open source product QEMU are affected by the security gap.

The latest manufacturer recommendations regarding updates, workarounds and security patches for this vulnerability can be found here: Red Hat Bugzilla (Stand: 10.04.2024).

Safety notice for QEMU – Risk: medium

Risk level: 3 (medium)
CVSS Base Score: 5,5
CVSS Temporal Score: 4,8
Remote attack: No

The Common Vulnerability Scoring System (CVSS) is used to assess the severity of security vulnerabilities in computer systems. The CVSS standard makes it possible to compare potential or actual security vulnerabilities based on various criteria in order to better prioritize countermeasures. The attributes “none”, “low”, “medium”, “high” and “critical” are used to determine the severity levels of a vulnerability. The Base Score evaluates the requirements for an attack (including authentication, complexity, privileges, user interaction) and its consequences. With the temporal score, framework conditions that can change over time are taken into account in the evaluation. According to the CVSS, the severity of the current vulnerability is rated as “medium” with a base score of 5.5.

QEMU Bug: Vulnerability enables denial of service

QEMU is a free virtualization software that emulates all of a computer’s hardware.

A local attacker could exploit a vulnerability in QEMU to conduct a denial of service attack.

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The vulnerability was classified using the CVE (Common Vulnerabilities and Exposures) referencing system by the individual serial number CVE-2024-3567.

Systems affected by the QEMU vulnerability at a glance

Operating systems
Linux, UNIX, Windows

Open Source QEMU (cpe:/a:qemu:qemu)

General measures for dealing with IT vulnerabilities

Users of the affected applications should keep them up to date. When security gaps become known, manufacturers are required to fix them as quickly as possible by developing a patch or a workaround. If security patches are available, install them promptly. For information, consult the sources listed in the next section. These often contain further information about the latest version of the software in question as well as the availability of security patches or information about workarounds. If you have any further questions or uncertainties, please contact your responsible administrator. IT security managers should regularly check the sources mentioned to see whether a new security update is available.

Manufacturer information on updates, patches and workarounds

Here you will find further links with information about bug reports, security fixes and workarounds.

Red Hat Bugzilla dated 2024-04-10 (10.04.2024)
For more information, see:

Version history of this security alert

This is the initial version of this IT security notice for QEMU. If updates are announced, this text will be updated. You can see the changes made using the version history below.

April 10, 2024 – Initial version

+++ Editorial note: This text was generated based on current BSI data and will be updated in a data-driven manner depending on the warning situation. We accept feedback and comments at [email protected]. +++

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Edited by kns


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