Intel Microcode Vulnerability: CVE-2022-21233 - Information Disclosure Risk
Summary
UBUNTU-CVE-2022-21233: Improper isolation of shared resources in some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access. Affects intel-microcode versions 1.20130906.1ubuntu2 – 3.20210608.0ubuntu0.14.04.1+esm1. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The 'intel-microcode' package provides microcode updates for Intel processors, enhancing their performance and security. This package is crucial for maintaining the integrity and efficiency of systems running on Intel hardware. However, it has been identified to have a vulnerability that could allow privileged users to access sensitive information.
Vulnerability Detail
CVE-2022-21233 is a vulnerability that stems from improper isolation of shared resources in certain Intel processors. This flaw could potentially allow a privileged user to enable information disclosure through local access, posing a significant risk to system confidentiality. The vulnerability affects multiple versions of the intel-microcode package across various Ubuntu distributions.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
Currently, there are no specific workarounds mentioned for this vulnerability. The best course of action is to apply the available patches as soon as possible.
Conclusion
CVE-2022-21233 represents a significant risk to systems utilizing affected versions of the intel-microcode package. Users are strongly advised to update their packages to the latest versions to mitigate the risk of information disclosure. Regular monitoring and timely updates are essential for maintaining system security.
See every vulnerability recorded for intel-microcode →
FAQ
CVE-2022-21233 is a vulnerability in Intel processors that allows privileged users to potentially disclose sensitive information.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected.
Affected versions include intel-microcode 3.20210608.0ubuntu0.14.04.1+esm1, 3.20220809.0ubuntu0.18.04.1, 3.20220809.0ubuntu0.20.04.1, and 3.20220809.0ubuntu0.22.04.1.
The CVSS score for CVE-2022-21233 is 5.5, indicating a medium severity level.
No subscription is required to update the affected versions of intel-microcode for Ubuntu 18.04, 20.04, and 22.04.
Related vulnerabilities
Recent vulnerabilities recorded for intel-microcode.
