Buffer Overflow Vulnerability in wl1251_cmd_scan
Summary
UVI-2021-1001353: wl1251: Fix possible buffer overflow in wl1251_cmd_scan. Affects Kernel versions < d71dddeb5380613f9ef199f3e7368fd78fb1a46e. No fix is published. How to fix ↓
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Background
The wl1251 package is a wireless LAN driver for Texas Instruments wl1251 chips. It is a part of the Linux Kernel ecosystem. The wl1251 driver provides support for wireless communication using the wl1251 chip. This vulnerability affects the wl1251_cmd_scan function within the wl1251 driver.
Vulnerability Detail
The wl1251_cmd_scan function in the wl1251 driver is vulnerable to a buffer overflow. This vulnerability could potentially be exploited by an attacker to execute arbitrary code or cause a denial of service. The buffer overflow occurs when processing a scan request, and it may allow an attacker to overwrite adjacent memory locations, leading to a system crash or the execution of malicious code.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is recommended to apply the fix by updating the Linux Kernel.
Conclusion
The buffer overflow vulnerability in the wl1251_cmd_scan function of the wl1251 driver can potentially lead to arbitrary code execution or denial of service. It is crucial to update the Linux Kernel to version v5.4.133 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability could potentially allow an attacker to execute arbitrary code or cause a denial of service.
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 to the playground, and it will analyze the dependencies and alert you if any vulnerabilities are found.
There is no known exploit for this vulnerability at the moment. However, it is important to apply the fix as soon as possible to mitigate the risk.
Yes, this vulnerability can be exploited remotely if the affected system is connected to a network.
An attacker would need network access to the vulnerable system to exploit this vulnerability.
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