Vulnerability in phy: qcom-qmp package - struct clk leak on probe errors
Summary
GSD-2022-1003303: phy: qcom-qmp: fix struct clk leak on probe errors. Affects Kernel versions >= e78f3d15e115e8e764d4b1562b4fa538f2e22f6b, < b246695636a861a09f0e2cde92bb2dd8f114f024. No fix is published. How to fix ↓
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Background
The phy: qcom-qmp package is a component of the Linux Kernel, which is responsible for managing the Qualcomm QMP (Qualcomm Message Processor) PHY (Physical Layer) devices. These devices are used for communication between different hardware components in Qualcomm SoCs (System-on-Chips). The package provides the necessary functionality and drivers for the proper functioning of these PHY devices. However, a vulnerability has been discovered in the package that can lead to a struct clk (clock) leak on probe errors.
Vulnerability Detail
The vulnerability in the phy: qcom-qmp package occurs when there are probe errors during the initialization of the PHY devices. In such cases, a struct clk (clock) resource is not properly released, leading to a resource leak. This vulnerability can potentially result in resource exhaustion and system instability. An attacker could potentially exploit this vulnerability to cause a denial-of-service (DoS) condition or other malicious activities. The vulnerability was introduced in version v4.12 of the Linux Kernel and has been fixed in version v5.15.46.
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. The recommended solution is to update the Linux Kernel to the fixed version.
Conclusion
The vulnerability in the phy: qcom-qmp package, which can lead to a struct clk leak on probe errors, has been addressed in the Linux Kernel version v5.15.46. Users are advised to update their kernel to this version or later to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The phy: qcom-qmp package is a component of the Linux Kernel that manages Qualcomm QMP PHY devices used for communication between hardware components in Qualcomm SoCs.
The vulnerability can lead to a struct clk leak on probe errors, potentially causing resource exhaustion and system instability.
An attacker could potentially exploit this vulnerability to cause a denial-of-service (DoS) condition or other malicious activities.
The vulnerability was introduced in version v4.12 of the Linux Kernel.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.15.46 or later.
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