Vulnerability in Kernel: remoteproc: qcom_q6v5_mss: Fix some leaks in q6v5_alloc_memory_region
Summary
GSD-2022-1001180: remoteproc: qcom_q6v5_mss: Fix some leaks in q6v5_alloc_memory_region. Affects Kernel versions >= 278d744c46fd4f1925aec77752d18a0e4a9cbec3, < b9df3007b3cda4936cc50f5a7d2d30505a652828. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that manages system resources and facilitates communication between hardware and software. It provides essential functions for the proper functioning of the system. The remoteproc subsystem in the Kernel is responsible for managing remote processors. The qcom_q6v5_mss driver is specifically designed for Qualcomm Q6v5 Modem Subsystem (MSS) processors. This vulnerability affects the q6v5_alloc_memory_region function within the qcom_q6v5_mss driver.
Vulnerability Detail
The q6v5_alloc_memory_region function in the qcom_q6v5_mss driver in the Kernel suffers from memory leaks. These leaks occur when allocating memory regions for the Qualcomm Q6v5 MSS processors. If left unaddressed, these leaks can lead to resource exhaustion and potential denial-of-service (DoS) attacks. An attacker may be able to exploit this vulnerability to consume excessive system resources, causing system instability or crashes.
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 v5.17.2 or later. The fix for this issue was implemented in commit b9df3007b3cda4936cc50f5a7d2d30505a652828. Updating the Kernel to the latest version will ensure that the q6v5_alloc_memory_region function no longer leaks memory.
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Workaround
There is no known workaround for this vulnerability. It is recommended to apply the official fix by updating the Linux Kernel.
Conclusion
The vulnerability in the Kernel's qcom_q6v5_mss driver can result in memory leaks, leading to resource exhaustion and potential denial-of-service attacks. It is crucial to update the Linux Kernel to version v5.17.2 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability can lead to resource exhaustion and potential denial-of-service (DoS) attacks. An attacker may be able to consume excessive system resources, causing system instability or crashes.
You can use Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities without requiring access to the code or installation.
Yes, a patch is available for this vulnerability. It is recommended to update the Linux Kernel to version v5.17.2 or later.
There are no known exploits for this vulnerability at the time of this report. However, it is important to apply the patch as soon as possible to mitigate the risk.
This vulnerability was discovered by the Linux Kernel security team.
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