Vulnerability in i2c: acpi: fix resource leak in reconfiguration device addition
Summary
UVI-2021-1001548: i2c: acpi: fix resource leak in reconfiguration device addition. Affects Kernel versions >= 525e6fabeae286848592363bda13bc34b59bb5ac, < 3d9d458a8aaafa47268ea4f1b4114a9f12927989. No fix is published. How to fix ↓
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Background
The i2c package is a component of the Linux Kernel, which is responsible for managing communication between devices using the I2C bus. The Advanced Configuration and Power Interface (ACPI) is a standard for configuring and managing hardware devices in a computer system. The vulnerability in the i2c: acpi module relates to a resource leak during the addition of reconfiguration devices.
Vulnerability Detail
The vulnerability in the i2c: acpi module allows for a resource leak when adding reconfiguration devices. This can lead to resource exhaustion and potential denial-of-service attacks. The issue was introduced in version v4.8 of the Linux Kernel and has been fixed in version v4.19.211. The vulnerability has not yet been proven to have a significant impact or be easily exploitable.
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
The vulnerability in the i2c: acpi module can result in a resource leak during the addition of reconfiguration devices. It is recommended to update the Linux Kernel to version v4.19.211 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven, but it could potentially lead to resource exhaustion and denial-of-service attacks.
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 and it will provide real-time alerts for open-source vulnerabilities.
Yes, a patch is available in version v4.19.211 of the Linux Kernel. It is recommended to update to this version or later to fix the vulnerability.
The exploitability of this vulnerability has not been proven yet. Further analysis is required to determine if it can be exploited remotely.
You can find more information about this vulnerability in the Open Source Vulnerability Database (OSVDB) entry: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1001xxx/UVI-2021-1001548.json
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