Vulnerability in clk-rcg2 Package: Update logic to calculate D value for RCG
Summary
GSD-2022-1001500: clk: qcom: clk-rcg2: Update logic to calculate D value for RCG. Affects Kernel versions >= 99cbd064b059f222c8839ba433a68b2d6ee33066, < 96888f0dcf351e758b9df57e015a48427ca709c1. No fix is published. How to fix ↓
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Background
The clk-rcg2 package is a component of the Linux Kernel, which is responsible for managing clock resources on Qualcomm (qcom) platforms. It provides functionality to calculate the D value for the RCG (Rate Change Gear) mechanism. The RCG is used to adjust the frequency of a clock based on certain conditions. This vulnerability affects versions of the Linux Kernel from v3.16 to v5.16.19.
Vulnerability Detail
The vulnerability in the clk-rcg2 package arises from a flaw in the logic used to calculate the D value for the RCG. An attacker could potentially exploit this vulnerability to manipulate clock frequencies and disrupt the normal operation of the system. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The vulnerability in the clk-rcg2 package could potentially allow an attacker to manipulate clock frequencies and disrupt system operation. It is recommended to update the Linux Kernel to version v5.16.19 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The clk-rcg2 package is a component of the Linux Kernel that manages clock resources on Qualcomm platforms.
The RCG (Rate Change Gear) mechanism is used to adjust the frequency of a clock based on certain conditions.
The impact of this vulnerability is not yet proven, but it could potentially allow an attacker to manipulate clock frequencies and disrupt system operation.
To fix this vulnerability, update the Linux Kernel to version v5.16.19 or later.
You can obtain the updated version of the Linux Kernel from the official repository at: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
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