Buffer Overflow Vulnerability in wl1251_cmd_scan
Summary
GSD-2021-1001459: wl1251: Fix possible buffer overflow in wl1251_cmd_scan. Affects Kernel versions < d3d8b9c9c7843dce31e284927d4c9904fd5a510a. No fix is published. How to fix ↓
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Background
The wl1251 package is a wireless LAN driver for Texas Instruments wl1251 chipsets. It is used in the Linux Kernel and provides functionality for wireless network communication. The vulnerability in the wl1251_cmd_scan function can potentially lead to a buffer overflow.
Vulnerability Detail
The wl1251_cmd_scan function in the wl1251 package is susceptible to a buffer overflow. This vulnerability could be exploited by an attacker to overwrite adjacent memory locations, potentially leading to arbitrary code execution or a system crash. The buffer overflow occurs when processing scan requests, and an attacker could send a specially crafted request to trigger the vulnerability.
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 essential to apply the provided fix by updating the Linux Kernel to the recommended version.
Conclusion
The buffer overflow vulnerability in wl1251_cmd_scan poses a potential risk of arbitrary code execution or system crashes. It is crucial to update the Linux Kernel to version v4.9.276 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The buffer overflow vulnerability in wl1251_cmd_scan could potentially allow an attacker to execute arbitrary code or crash the system.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will alert you if the vulnerability is present.
At the time of this report, there is no known exploit for this vulnerability. However, it is crucial to apply the fix to prevent any potential exploitation.
The recommended mitigation is to update the Linux Kernel to version v4.9.276 or later, which includes the fix for this vulnerability.
You can find more information about this vulnerability in the GSD-2021-1001459 JSON file available at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1001xxx/GSD-2021-1001459.json
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