Home » IT security: Linux at risk – warning of new IT security gap in IBM QRadar SIEM

IT security: Linux at risk – warning of new IT security gap in IBM QRadar SIEM

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IT security: Linux at risk – warning of new IT security gap in IBM QRadar SIEM

There is a current security warning from the BSI for IBM QRadar SIEM. Read here what threatens IT security in Linux systems, how high the risk is and what you should do about it.

The Federal Office for Security in Information Technology (BSI) reported a security advisory for IBM QRadar SIEM on April 10, 2024. The security vulnerability affects the Linux operating system and the IBM QRadar SIEM product.

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

Security Advisory for IBM QRadar SIEM – Risk: Medium

Risk level: 4 (medium)
CVSS Base Score: 5,9
CVSS Temporal Score: 5,2
Remoteangriff: Ja

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 create a priority list for taking 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 5.9.

IBM QRadar SIEM Bug: Vulnerability allows security measures to be bypassed

IBM QRadar Security Information and Event Management (SIEM) helps detect and prioritize enterprise security threats.

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A remote, anonymous attacker could exploit a vulnerability in IBM QRadar SIEM to bypass security measures.

The vulnerability is identified with the unique CVE (Common Vulnerabilities and Exposures) identification number. CVE-2023-50949 traded.

Systems affected by the security gap at a glance

operating system


General measures for dealing with IT security gaps

Users of the affected systems 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.

Sources of updates, patches and workarounds

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

IBM Security Bulletin vom 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 IBM QRadar SIEM. If updates are announced, this text will be updated. You can read about changes or additions in this version history.

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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