Security Update for microcode_ctl: Addressing CVE-2024-28956
Summary
ALSA-2025:10991: Moderate: microcode_ctl security update. Affects microcode_ctl versions < 4:20250512-1.el8_10. Fixed in 4:20250512-1.el8_10. How to fix ↓
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Background
The microcode_ctl package provides essential microcode updates for Intel and AMD processors, ensuring optimal performance and security. This package is crucial for maintaining the integrity and efficiency of the CPU operations, as it allows the system to apply necessary updates that fix bugs and enhance security features. However, vulnerabilities in this package can expose systems to potential threats, making timely updates critical.
Vulnerability Detail
The vulnerability identified as CVE-2024-28956 affects the microcode_ctl package, which is responsible for delivering microcode updates to processors. This vulnerability could allow attackers to exploit weaknesses in the microcode, potentially leading to unauthorized access or system instability. The ramifications of this vulnerability could be severe, impacting the confidentiality, integrity, and availability of the affected systems.
How To Fix
Minimum fixed version
4:20250512-1.el8_10
This is the first release that contains the fix.
sudo dnf update microcode_ctlTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, there are no specific workarounds provided for this vulnerability. The best course of action is to apply the security update as soon as it becomes available.
Conclusion
The microcode_ctl package is vital for processor updates, and the identified vulnerability CVE-2024-28956 poses significant risks. It is crucial to apply the recommended updates promptly to safeguard your systems against potential exploits.
See every vulnerability recorded for microcode_ctl →
FAQ
CVE-2024-28956 is a security vulnerability affecting the microcode_ctl package, which could allow attackers to exploit weaknesses in processor microcode.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
Failing to update microcode_ctl may leave your system vulnerable to attacks that exploit the identified weaknesses, potentially compromising system security.
Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities in your software using just a manifest file like package-lock.json.
It is advisable to regularly check for updates to the microcode_ctl package, especially after security advisories are released, to ensure your system remains secure.
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