Critical Vulnerabilities in Intel Microcode Package - USN-7269-2
Summary
USN-7269-2: intel-microcode vulnerabilities. Affects intel-microcode versions < 3.20250211.0ubuntu0.24.04.1. Fixed in 3.20250211.0ubuntu0.24.04.1. How to fix ↓
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Background
The Intel Microcode package is essential for the proper functioning of Intel processors, providing updates that enhance performance and security. It addresses hardware-level issues and ensures that the processors operate efficiently. However, vulnerabilities in this package can expose systems to significant risks, including denial of service attacks.
Vulnerability Detail
The vulnerabilities identified in the Intel Microcode package stem from improper implementations of Finite State Machines (FSMs) in hardware logic and insufficient access restrictions in Intel SGX and UEFI firmware. These flaws could allow local privileged or authenticated attackers to exploit the vulnerabilities, potentially leading to denial of service conditions. Specifically, CVE-2024-31068, CVE-2024-36293, and CVE-2024-39279 highlight these critical issues.
How To Fix
Minimum fixed version
3.20250211.0ubuntu0.24.04.1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade intel-microcodeTip — 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 these vulnerabilities. The best course of action is to apply the available update as soon as possible to mitigate the risks.
Conclusion
The vulnerabilities in the Intel Microcode package pose significant risks to system security and performance. It is crucial to update to the patched version to mitigate these risks. Regular monitoring and updates are essential for maintaining system integrity.
See every vulnerability recorded for intel-microcode →
FAQ
The Intel Microcode package provides updates for Intel processors, addressing hardware-level issues and enhancing system performance and security.
The vulnerabilities could allow local attackers to cause denial of service, potentially disrupting system operations and affecting availability.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
While there are no specific workarounds, it is crucial to prioritize updating the package to mitigate risks. Consider isolating affected systems until the update can be applied.
Detailed information can be found in the original advisory at https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7269-2.json.
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