CVE-2022-21233: Information Disclosure in Intel Processors
Summary
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-ucode versions < 20220809-r0. Fixed in 20220809-r0. How to fix ↓
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Background
The 'intel-ucode' package is an open-source microcode update package for Intel processors. It provides firmware updates that improve the performance, stability, and security of Intel CPUs. The package is commonly used in Alpine Linux distributions, specifically versions 3.13 to 3.18.
Vulnerability Detail
The vulnerability identified as CVE-2022-21233 is a result of improper isolation of shared resources in certain Intel processors. It allows a privileged user with local access to potentially enable information disclosure. This vulnerability could lead to the exposure of sensitive data, posing a risk to the confidentiality of the system.
How To Fix
Minimum fixed version
20220809-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
There is no specific workaround mentioned for this vulnerability. However, users can mitigate the risk by ensuring that only trusted users have privileged access to the system and by implementing proper access controls and monitoring mechanisms.
Conclusion
CVE-2022-21233 is a vulnerability in the 'intel-ucode' package that allows a privileged user to potentially enable information disclosure on Intel processors. To mitigate the risk, users should update the package to the latest version and follow recommended security practices. For further support on vulnerability remediation, contact DevNack.com.
See every vulnerability recorded for intel-ucode →
FAQ
The vulnerability allows a privileged user to potentially access sensitive information on the affected system, leading to information disclosure.
The vulnerability affects versions of the 'intel-ucode' package in Alpine Linux distributions 3.13 to 3.18.
No, the vulnerability requires local access to the system to be exploited.
There is no known exploitation of this vulnerability at the time of this report.
In addition to updating the 'intel-ucode' package, it is advisable to follow security best practices such as regular system updates, strong access controls, and monitoring for any suspicious activity.
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