Vulnerability in cpufreq: qcom-cpufreq-nvmem Package
Summary
GSD-2022-1002069: cpufreq: qcom-cpufreq-nvmem: fix reading of PVS Valid fuse. Affects Kernel versions >= a8811ec764f95a04ba82f6f457e28c5e9e36e36b, < 091704a9a7f4611dae2f2332319bcf1e862d64a1. No fix is published. How to fix ↓
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Background
The cpufreq: qcom-cpufreq-nvmem package is a component of the Linux Kernel ecosystem. It is responsible for managing the CPU frequency scaling on Qualcomm-based systems. This package reads the PVS Valid fuse, which determines the available performance levels for the CPU. However, a vulnerability has been discovered in the reading process of this fuse.
Vulnerability Detail
The vulnerability in cpufreq: qcom-cpufreq-nvmem package allows an attacker to manipulate the reading of the PVS Valid fuse. By exploiting this vulnerability, an attacker could potentially modify the performance levels of the CPU, leading to unauthorized access or denial of service. The vulnerability was introduced in version v5.7 of the Linux Kernel and has been fixed in version v5.10.110.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is essential to apply the recommended fix by updating the Linux Kernel to the latest version.
Conclusion
The vulnerability in the cpufreq: qcom-cpufreq-nvmem package allows an attacker to manipulate the CPU performance levels, potentially leading to unauthorized access or denial of service. To mitigate this vulnerability, it is crucial to update the Linux Kernel to version v5.10.110 or later. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability allows an attacker to manipulate the CPU performance levels, potentially leading to unauthorized access or denial of service.
You can use Vulert's playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will provide real-time alerts for open-source vulnerabilities.
No, there is no known workaround for this vulnerability. It is crucial to update the Linux Kernel to the latest version.
There are no known exploits for this vulnerability at the moment. However, it is still recommended to apply the fix as soon as possible to mitigate any potential risks.
You can find more information about this vulnerability in the GSD-2022-1002069 entry of the GSD database at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1002xxx/GSD-2022-1002069.json
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