Moderate Vulnerability in FreeIPMI Packages: Denial of Service via Buffer Overflow
Summary
ALSA-2026:36211: Moderate: freeipmi security update. Affects freeipmi versions < 1.6.18-1.el10_2. Fixed in 1.6.18-1.el10_2. How to fix ↓
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Background
FreeIPMI is a suite of tools and libraries for managing systems using the Intelligent Platform Management Interface (IPMI) specification. It provides functionalities such as remote console access and system management capabilities, making it essential for server management in data centers. However, a recent vulnerability has been identified that could lead to a denial of service, impacting the reliability of systems utilizing FreeIPMI.
Vulnerability Detail
The vulnerability arises from a buffer overflow in the ipmi-oem client of FreeIPMI, which can be exploited to cause a denial of service. This issue, identified as CVE-2026-50031, allows an attacker to send specially crafted input that exceeds the buffer size, leading to application crashes or unexpected behavior. The potential ramifications include service interruptions and compromised system management capabilities, which could affect critical operations in environments relying on FreeIPMI.
How To Fix
Minimum fixed version
1.6.18-1.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 workaround, users can limit access to the ipmi-oem client or disable it until the package is updated. This can be done by modifying firewall rules or restricting user permissions to prevent unauthorized access.
Conclusion
The identified vulnerability in FreeIPMI presents a moderate risk that can lead to denial of service through a buffer overflow. Users are strongly advised to update their packages to the latest patched version to ensure system integrity and reliability. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.
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FAQ
CVE-2026-50031 is the identifier for the vulnerability in FreeIPMI that allows for a denial of service due to a buffer overflow in the ipmi-oem client.
You can use the Vulert platform to check if your application is affected by this vulnerability. Simply upload your manifest file like package-lock.json to monitor and alert for open-source vulnerabilities.
Exploiting this vulnerability can lead to service interruptions, affecting the management and monitoring of systems that rely on FreeIPMI.
Yes, you can limit access to the ipmi-oem client or disable it temporarily until the package is updated to the patched version.
For more details, you can refer to the CVE page associated with CVE-2026-50031, which provides in-depth information about the vulnerability and its impact.
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