Vulnerability in ath11k package: Missing of_node_put() leads to memory leak
Summary
GSD-2022-1001246: ath11k: add missing of_node_put() to avoid leak. Affects Kernel versions >= 6ac04bdc5edb418787ab2040b1f922c23464c750, < 7d51cb010b20d70b16dc6e4341bf29d6c5b32564. No fix is published. How to fix ↓
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Background
The ath11k package is a component of the Linux Kernel ecosystem. It provides support for Qualcomm Atheros 802.11ax wireless LAN devices. This package is responsible for managing the functionality and communication of these devices within the Linux operating system. However, a vulnerability has been identified in the ath11k package that can result in a memory leak due to a missing of_node_put() function call.
Vulnerability Detail
The vulnerability in the ath11k package arises from a missing of_node_put() function call. This omission can lead to a memory leak, where allocated memory is not properly released, causing a gradual depletion of available memory resources. Although the impact and attack plausibility of this vulnerability have not been proven, it is essential to address it to ensure the stability and security of the system. The vulnerability was introduced in version v5.17 of the Linux Kernel and has been fixed in version v5.17.2 by commit 7d51cb010b20d70b16dc6e4341bf29d6c5b32564.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The vulnerability in the ath11k package, caused by a missing of_node_put() function call, can lead to a memory leak. It is crucial to update the Linux Kernel to version v5.17.2 or later to address this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The ath11k package is a component of the Linux Kernel ecosystem that provides support for Qualcomm Atheros 802.11ax wireless LAN devices.
The missing of_node_put() function call can result in a memory leak, gradually depleting available memory resources.
You can use the Vulert Playground (https://vulert.com/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 monitoring and alerts for open-source vulnerabilities.
No specific workaround has been mentioned for this vulnerability. It is recommended to update the Linux Kernel to the fixed version (v5.17.2 or later).
You can refer to the vulnerability details in the GSD database (https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1001xxx/GSD-2022-1001246.json) for more information.
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