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libvirt: A vulnerability permits a denial of service

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libvirt: A vulnerability permits a denial of service

An IT safety alert replace for identified vulnerabilities has been issued for libvirt. You can examine which working programs and merchandise are affected by the safety hole right here at information.de.

Federal workplace for Security in Information Technology (BSI) issued an replace on June 2, 2024 for the libvirt safety vulnerability identified on March 21, 2024. The safety vulnerability impacts the Linux working system and merchandise Debian Linux, Amazon Linux 2, Red Hat Enterprise Linux, Ubuntu Linux, SUSE Linux, Oracle Linux and the open supply libvirt.

The newest producer suggestions for updates, workarounds and safety patches for this vulnerability might be discovered right here: Oracle Linux Security Advisory ELSA-2024-3253 (As of June 1, 2024). Some helpful hyperlinks are listed later on this article.

libvirt safety advisory – Risk: medium

Risk degree: 3 (reasonable)
CVSS Base Score: 5.5
CVSS provisional rating: 4.8
Remote assault: No

The Common Vulnerability Scoring System (CVSS) is used to evaluate the vulnerability of laptop programs. The CVSS normal makes it potential to check potential or precise safety dangers based mostly on varied standards as a way to prioritize countermeasures. The attributes “none”, “low”, “medium”, “excessive” and “extreme” are used to find out the severity ranges of vulnerability. The Base Score evaluates the necessities of an assault (together with authentication, complexity, privileges, consumer interplay) and its outcomes. Temporal scores additionally keep in mind modifications over time within the danger state of affairs. According to CVSS, the danger of the vulnerability talked about right here is taken into account “reasonable” with 5.5 foundation factors.

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libvirt Bug: A vulnerability permits a denial of service

Libvirt is a library that gives interfaces and virtualization capabilities for Linux and gives instruments for managing digital programs.

A neighborhood attacker might exploit a vulnerability in libvirt to carry out a denial of service assault.

Vulnerabilities are recognized by a CVE (Common Vulnerabilities and Exposures) serial quantity. CVE-2024-2494 on the market.

Systems affected by the libvirt safety vulnerability at a look

working system
Linux

Products
Debian Linux (cpe:/o:debian:debian_linux)
Amazon Linux 2 (cpe:/o:amazon:linux_2)
Red Hat Enterprise Linux (cpe:/o:redhat:enterprise_linux)
Ubuntu Linux (cpe:/o:canonical:ubuntu_linux)
SUSE Linux (cpe:/o:use:suse_linux)
Oracle Linux (cpe:/o:oracle:linux)
Open supply libvirt (cpe:/a:redhat:libvirt)

General steps for coping with IT vulnerabilities

  1. Users of the affected apps ought to keep up-to-date. When safety holes are identified, producers are required to repair them shortly by growing a patch or workaround. When new safety updates can be found, set up them instantly.
  2. For info, see the sources listed within the subsequent part. This typically accommodates further details about the most recent model of the software program in query and the provision of safety patches or efficiency ideas.
  3. If you’ve got any additional questions or uncertainties, please contact your accountable administrator. IT safety managers ought to examine each time a producing firm makes a brand new safety replace obtainable.

Manufacturer details about updates, patches and workarounds

Here you’ll discover some hyperlinks with details about bug stories, safety fixes and workarounds.

Oracle Linux Security Advisory ELSA-2024-3253 vom 2024-06-01 (02.06.2024)
For extra info, see:

Red Hat Security Advisory RHSA-2024:3253 vom 2024-05-22 (21.05.2024)
For extra info, see:

Oracle Linux Security Advisory ELSA-2024-2560 vom 2024-05-07 (07.05.2024)
For extra info, see:

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Red Hat Security Advisory RHSA-2024:2560 vom 2024-04-30 (01.05.2024)
For extra info, see:

Ubuntu Security Notice USN-6734-2 vom 2024-04-29 (29.04.2024)
For extra info, see:

Amazon Linux Security Advisory ALAS-2024-2513 vom 2024-04-18 (17.04.2024)
For extra info, see:

Ubuntu Security Notice USN-6734-1 vom 2024-04-15 (15.04.2024)
For extra info, see:

SUSE Security Update SUSE-SU-2024:1099-1 vom 2024-04-08 (08.04.2024)
For extra info, see:

SUSE Security Update SUSE-SU-2024:1100-1 vom 2024-04-08 (08.04.2024)
For extra info, see:

SUSE Security Update SUSE-SU-2024:1083-1 vom 2024-04-02 (01.04.2024)
For extra info, see:

SUSE Security Update SUSE-SU-2024:1078-1 vom 2024-04-01 (01.04.2024)
For extra info, see:

Debian Security Advisory DLA-3778 vom 2024-04-01 (01.04.2024)
For extra info, see:

GitHub Advisory Database vom 2024-03-21 (21.03.2024)
For extra info, see:

Version historical past of this safety alert

This is model 10 of this libvirt IT safety discover. If additional updates are introduced, this doc might be up to date. You can examine modifications or additions on this model historical past.

March 21, 2024 – First model
April 1, 2024 – New updates from Debian and SUSE added
04/08/2024 – New updates from SUSE added
April 15, 2024 – Added new persona updates
April 17, 2024 – Added new updates from Amazon
04/29/2024 – Added new persona updates
May 1, 2024 – New updates from Red Hat added
May 7, 2024 – New Oracle Linux updates added
May 21, 2024 – New updates from Red Hat added
June 2, 2024 – New Oracle Linux updates added

+++ Editorial word: This doc is predicated on present BSI information and might be up to date in a data-driven method relying on the standing of the alert. We welcome suggestions and feedback at [email protected]. +++

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