Moderate Vulnerability in FreeIPMI Packages: Buffer Overflow Risk
Summary
ALSA-2026:19053: Moderate: freeipmi security update. Affects freeipmi versions < 1.6.17-1.el10_2. Fixed in 1.6.17-1.el10_2. How to fix ↓
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Background
FreeIPMI is a suite of tools and libraries that provide Intelligent Platform Management Interface (IPMI) functionalities, allowing for remote management and monitoring of computer systems. It is widely used in server management for its ability to interact with hardware components and provide system health information. However, a recent vulnerability has been identified that could potentially expose systems to security risks.
Vulnerability Detail
The vulnerability arises from buffer overflows occurring on response messages via the ipmi-oem command in FreeIPMI. This flaw can be exploited by attackers to execute arbitrary code, leading to unauthorized access or control over the affected systems. The specific issue is tracked under CVE-2026-33554, which highlights the critical nature of this vulnerability and its potential impact on system integrity and confidentiality.
How To Fix
Minimum fixed version
1.6.17-1.el10_2
This is the first release that contains the fix.
sudo dnf update freeipmiTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can limit access to the affected services or implement network-level security controls to mitigate the risk of exploitation until the update is applied. It is advisable to monitor system logs for any unusual activity related to IPMI commands.
Conclusion
The identified vulnerability in FreeIPMI packages poses a moderate risk due to potential buffer overflows that could be exploited by attackers. It is crucial for users to update their packages to the latest version to mitigate this risk. Regular monitoring and adherence to security best practices are recommended to maintain system integrity.
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FAQ
FreeIPMI is a set of tools and libraries for managing and monitoring systems using the Intelligent Platform Management Interface (IPMI).
A buffer overflow occurs when data exceeds a buffer's storage capacity, potentially allowing attackers to overwrite adjacent memory and execute arbitrary code.
You can use Vulert, which monitors open-source vulnerabilities in your software. By uploading your manifest file, you can check for vulnerabilities without needing to install additional software.
If immediate updates are not possible, consider implementing network security measures to restrict access to the affected services and monitor for suspicious activity.
Detailed information about the vulnerability can be found on the CVE page for CVE-2026-33554, which includes technical details and impact assessments.
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