Array Overrun Vulnerability in rtw88 Package
Summary
GSD-2021-1000303: rtw88: Fix array overrun in rtw_get_tx_power_params(). Affects Kernel versions >= fa6dfe6bff246ddd5be3cfe81637f137acd6c294, < 9cd09722e18a08b6a3d68b8bccfac39ddc22434c. No fix is published. How to fix ↓
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Background
The rtw88 package is a component of the Linux Kernel ecosystem. It provides support for Realtek 802.11ac wireless LAN (WLAN) devices. The package includes drivers and firmware necessary for the proper functioning of these devices. The vulnerability described in this report affects the rtw88 package and can potentially lead to security issues.
Vulnerability Detail
The vulnerability identified in the rtw88 package is an array overrun in the rtw_get_tx_power_params() function. This vulnerability was introduced in version v5.3 of the Linux Kernel by commit fa6dfe6bff246ddd5be3cfe81637f137acd6c294 and has been fixed in version v5.12.4 by commit 9cd09722e18a08b6a3d68b8bccfac39ddc22434c. The array overrun can be exploited by an attacker to overwrite adjacent memory, potentially leading to arbitrary code execution or a denial-of-service (DoS) condition. It is important to update to the fixed version to mitigate this vulnerability.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The array overrun vulnerability in the rtw88 package can have serious security implications, including arbitrary code execution and denial-of-service (DoS) attacks. It is crucial to update to the fixed version of the Linux Kernel (v5.12.4 or later) to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can potentially allow an attacker to execute arbitrary code or cause a denial-of-service (DoS) condition on systems using the affected rtw88 package.
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 v5.3 of the Linux Kernel and affects all versions up to and including v5.12.3. It has been fixed in version v5.12.4.
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 the Vulert Playground will analyze it for vulnerabilities.
For more details about this vulnerability, you can refer to the source link provided in the database_specific section of this report.
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