Memory Leak in renesas-rpc-if in Linux Kernel
Summary
GSD-2022-1001950: memory: renesas-rpc-if: fix platform-device leak in error path. Affects Kernel versions >= ca7d8b980b67f133317525c4273e144116ee1ae5, < c089ffc846c85f200db34ad208338f4f81a6d82d. No fix is published. How to fix ↓
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Background
The renesas-rpc-if is a memory management module in the Linux Kernel. It provides an interface for communication between the Renesas RPC (Remote Procedure Call) protocol and the platform devices. The module is responsible for managing memory resources and ensuring proper communication between the RPC protocol and the platform devices. However, a vulnerability has been discovered in the renesas-rpc-if module that can lead to a memory leak in certain error scenarios.
Vulnerability Detail
The vulnerability in the renesas-rpc-if module can result in a memory leak in the error path. When certain error conditions occur during the communication between the RPC protocol and the platform devices, the module fails to release allocated memory resources, leading to a memory leak. This can potentially exhaust available memory and cause system instability or denial of service. The vulnerability was introduced in version v5.9 of the Linux Kernel and has been fixed in version v5.10.112.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The memory leak vulnerability in the renesas-rpc-if module of the Linux Kernel can lead to system instability or denial of service. It is crucial to update the Linux Kernel to version v5.10.112 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can result in a memory leak, potentially leading to system instability or denial of service if the available memory is exhausted.
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 analyze and alert you in real-time if the vulnerability is present.
No specific workarounds have been identified for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.
There is no evidence of active exploits targeting this vulnerability at the moment. However, it is crucial to apply the fix to prevent potential exploitation.
You can find more information about this vulnerability in the GSD-2022-1001950 entry of the GSD Database maintained by the Cloud Security Alliance. https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1001xxx/GSD-2022-1001950.json
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