Denial of Service Vulnerability in Intel Microcode Package
Summary
ALPINE-CVE-2024-31068: Improper Finite State Machines (FSMs) in Hardware Logic for some Intel(R) Processors may allow privileged user to potentially enable denial of service via local access. Affects intel-ucode versions < 20250211-r0. Fixed in 20250211-r0. How to fix ↓
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Background
The intel-ucode package provides microcode updates for Intel processors, enhancing their performance and security. It is crucial for maintaining the stability and efficiency of systems that rely on Intel hardware. However, certain versions of this package have been found to contain vulnerabilities that could be exploited by malicious users.
Vulnerability Detail
Improper Finite State Machines (FSMs) in Hardware Logic for some Intel(R) Processors may allow a privileged user to potentially enable denial of service via local access. This vulnerability arises from flaws in the design of the hardware logic, which can be manipulated to disrupt normal operations, leading to system instability or crashes.
How To Fix
Minimum fixed version
20250211-r0
This is the first release that contains the fix.
sudo apk add --upgrade intel-ucodeTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, limit local access to the affected systems and monitor user permissions to prevent unauthorized access. Additionally, consider implementing network-level security measures to mitigate potential exploitation.
Conclusion
The intel-ucode package has a critical vulnerability that could allow denial of service through improper hardware logic. It is essential to update to the patched version to ensure system security and stability. Users are encouraged to monitor their systems and utilize tools like Vulert for real-time vulnerability alerts.
See every vulnerability recorded for intel-ucode →
FAQ
The intel-ucode package provides essential microcode updates for Intel processors, ensuring optimal performance and security.
The vulnerability allows a privileged user to potentially cause a denial of service by exploiting flaws in the hardware logic of Intel processors.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Yes, a patch is available. Update the intel-ucode package to version 20250211-r0 to mitigate the vulnerability.
If an immediate update is not possible, limit local access to the system and monitor user permissions to reduce the risk of exploitation.
References
Related vulnerabilities
Recent vulnerabilities recorded for intel-ucode.
