Home » Linux Kernel: New Security Flaw! Vulnerability enables denial of service

Linux Kernel: New Security Flaw! Vulnerability enables denial of service

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Linux Kernel: New Security Flaw!  Vulnerability enables denial of service

As the BSI currently reports, a vulnerability has been identified in the Linux kernel. You can read a description of the security vulnerability and a list of the affected operating systems and products here.

The Federal Office for Security in Information Technology (BSI) published a security advisory for the Linux kernel on February 22, 2024. The security vulnerability affects the Linux operating system and the Open Source Linux Kernel product.

The latest manufacturer recommendations regarding updates, workarounds and security patches for this vulnerability can be found here: CVE Announcement on lore.kernel.org (As of February 22, 2024). Other useful links are listed later in this article.

Linux Kernel Security Advisory – 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 vulnerability of 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. The temporal score also takes changes over time in the danger situation into account. According to the CVSS, the risk of the vulnerability discussed here is assessed as “medium” with a base score of 5.5.

Linux Kernel Bug: Vulnerability enables denial of service

The kernel represents the core of the Linux operating system.

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A local attacker can exploit a vulnerability in the Linux kernel to carry out a denial of service attack.

The vulnerability is identified with the unique CVE (Common Vulnerabilities and Exposures) identification number. CVE-2024-26593 traded.

Systems affected by the security gap at a glance

operating system

Open Source Linux Kernel Open Source Linux Kernel Open Source Linux Kernel Open Source Linux Kernel Open Source Linux Kernel Open Source Linux Kernel Open Source Linux Kernel

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 new security updates become 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 when the manufacturing company makes a new security update available.

Manufacturer information on updates, patches and workarounds

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

CVE Announcement on lore.kernel.org dated 2024-02-22 (22.02.2024)
For more information, see:

CVE.org dated 2024-02-22 (22.02.2024)
For more information, see:

Version history of this security alert

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

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02/22/2024 – 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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