Vulnerability in Kernel: Fix CPU/L2 idle state latency and residency
Summary
GSD-2021-1002342: arm64: dts: qcom: msm8998: Fix CPU/L2 idle state latency and residency. Affects Kernel versions < 118c826ef8b43efe0fda8faf419673707ee8c5e5. No fix is published. How to fix ↓
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Background
The Kernel is a fundamental component of the Linux operating system that acts as a bridge between the hardware and software layers. It provides essential functionalities, such as memory management, process scheduling, and device drivers. The vulnerability in question affects the Kernel's arm64 architecture, specifically the qcom msm8998 variant. This vulnerability pertains to the CPU/L2 idle state latency and residency, which can lead to potential security risks if not addressed.
Vulnerability Detail
The vulnerability arises from incorrect CPU/L2 idle state latency and residency in the qcom msm8998 variant of the Kernel's arm64 architecture. This issue can potentially be exploited by attackers to gain unauthorized access or perform other malicious activities. The impact and attack plausibility of this vulnerability have not been proven yet. It is crucial to update to Linux Kernel version v5.15.5 or later, as this vulnerability has been fixed in commit 118c826ef8b43efe0fda8faf419673707ee8c5e5.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.15.5 or later. This can be done by following the steps below:
- Identify the current version of the Linux Kernel installed on your system.
- Visit the official Linux Kernel repository at https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/.
- Locate the release corresponding to version v5.15.5 or later.
- Follow the instructions provided in the repository to download and install the updated Kernel version.
- After installation, restart your system to apply the changes.
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Conclusion
In conclusion, the vulnerability in the Kernel's arm64 architecture, specifically the qcom msm8998 variant, regarding CPU/L2 idle state latency and residency, can pose potential security risks. It is crucial to update to Linux Kernel version v5.15.5 or later, as this vulnerability has been fixed in commit 118c826ef8b43efe0fda8faf419673707ee8c5e5. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven. However, if exploited, it could potentially lead to unauthorized access or other security breaches.
No specific workaround has been mentioned for this vulnerability. It is recommended to update to the fixed version of the Linux Kernel.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your manifest file, such as package-lock.json, and Vulert will provide real-time alerts for open-source vulnerabilities.
For more details about the fix for this vulnerability, you can refer to the commit 118c826ef8b43efe0fda8faf419673707ee8c5e5 in the Linux Kernel repository.
It is highly recommended to update to the fixed version of the Linux Kernel to mitigate the potential security risks associated with this vulnerability.
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