Memory Leak Vulnerability in nvmet Package
Summary
GSD-2021-1000498: nvmet: fix memory leak in nvmet_alloc_ctrl(). Affects Kernel versions >= 94a39d61f80fcd679debda11e1ca02b88d90e67e, < afb680ed7ecbb7fd66ddb43650e9b533fd8b4b9a. No fix is published. How to fix ↓
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Background
The nvmet package is a component of the Linux Kernel ecosystem. It provides support for NVMe over Fabrics (NVMe-oF) target functionality. NVMe-oF allows remote access to NVMe storage devices over a network. The nvmet_alloc_ctrl() function is responsible for allocating memory for the NVMe-oF controller. However, a memory leak vulnerability has been identified in this function.
Vulnerability Detail
The nvmet_alloc_ctrl() function in the nvmet package suffers from a memory leak vulnerability. This vulnerability was introduced in version v5.7 of the Linux Kernel and has been fixed in version v5.12.7. The vulnerability occurs when memory allocated for the NVMe-oF controller is not properly freed, leading to a memory leak. An attacker could potentially exploit this vulnerability to exhaust system memory resources, resulting in a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven.
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.
Conclusion
In conclusion, the nvmet package in the Linux Kernel is vulnerable to a memory leak issue in the nvmet_alloc_ctrl() function. This vulnerability can be fixed by updating the Linux Kernel to version v5.12.7 or later. No specific workaround has been provided. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The nvmet package is a component of the Linux Kernel ecosystem that provides support for NVMe over Fabrics (NVMe-oF) target functionality.
The vulnerability could potentially lead to a denial-of-service condition by exhausting system memory resources.
To fix this vulnerability, update the Linux Kernel to version v5.12.7 or later.
No specific workaround has been mentioned for this vulnerability.
For more details, refer to the vulnerability ID GSD-2021-1000498 in the GSD database.
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