Vulnerability in dmaengine: idxd package
Summary
GSD-2022-1002686: dmaengine: idxd: Fix the error handling path in idxd_cdev_register(). Affects Kernel versions >= 42d279f9137ab7d5503836baec2739284b278d8f, < c308a2e711a52a47f4b45e7add2b5200169e429a. No fix is published. How to fix ↓
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Background
The dmaengine: idxd package is a component of the Linux Kernel ecosystem. It provides support for Intel Data Streaming Accelerator (IDXD) devices, which are used for high-performance data movement in various applications. The package includes the idxd_cdev_register() function, responsible for registering the IDXD character device. This vulnerability affects versions of the Linux Kernel from v5.6 to v5.18.2.
Vulnerability Detail
The vulnerability in dmaengine: idxd package lies in the error handling path of the idxd_cdev_register() function. When an error occurs during the registration process, the function fails to properly clean up resources, leading to a potential resource leak. An attacker could potentially exploit this vulnerability to exhaust system resources, resulting in a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven yet.
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 dmaengine: idxd package in the Linux Kernel is vulnerable to a resource leak issue in the idxd_cdev_register() function. Users are advised to update their Linux Kernel to version v5.18.3 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The dmaengine: idxd package is a component of the Linux Kernel ecosystem that provides support for Intel Data Streaming Accelerator (IDXD) devices.
The impact of this vulnerability is a potential resource leak, which could lead to a denial-of-service condition.
To fix this vulnerability, users should update their Linux Kernel to version v5.18.3 or later.
No specific workaround has been mentioned for this vulnerability.
For more information about this vulnerability, you can refer to the provided source link: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1002xxx/GSD-2022-1002686.json
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