NFC: digital: Fix Possible Memory Leak in digital_in_send_sdd_req()
Summary
GSD-2021-1001977: NFC: digital: fix possible memory leak in digital_in_send_sdd_req(). Affects Kernel versions >= 2c66daecc4092e6049673c281b2e6f0d5e59a94c, < 071bdef36391958c89af5fa2172f691b31baa212. No fix is published. How to fix ↓
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Background
The NFC (Near Field Communication) digital module is a component of the Linux Kernel. It provides support for digital communication with NFC devices. The digital_in_send_sdd_req() function is responsible for sending a Secure Digital Device (SDD) request. However, a possible memory leak has been identified in this function.
Vulnerability Detail
The vulnerability arises from a potential memory leak in the digital_in_send_sdd_req() function of the NFC digital module. If this memory leak occurs, it can lead to a gradual depletion of available memory resources, potentially causing system instability or denial of service. The vulnerability was introduced in version v3.13 of the Linux Kernel and has been fixed in version v4.19.213.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
In conclusion, the NFC digital module in the Linux Kernel is susceptible to a memory leak vulnerability in the digital_in_send_sdd_req() function. This vulnerability can lead to system instability or denial of service. It is recommended to update the Linux Kernel to version v4.19.213 or later to mitigate this issue. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can result in a memory leak, leading to potential system instability or denial of service.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground.
No specific workaround has been provided for this vulnerability. It is recommended to update to the fixed version of the Linux Kernel.
The vulnerability was introduced in version v3.13 and fixed in version v4.19.213 of the Linux Kernel.
You can find more information about this vulnerability in the GSD-2021-1001977.json file available at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1001xxx/GSD-2021-1001977.json
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