Use-after-free vulnerability in iwlwifi
Summary
GSD-2022-1000456: iwlwifi: fix use-after-free. Affects Kernel versions >= e23f075d77987de4215c8e0696f28bcc707506f7, < ddd46059f7d99119b62d44c519df7a79f2e6a515. No fix is published. How to fix ↓
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Background
The iwlwifi package is a Linux kernel module that provides support for Intel Wireless WiFi Link adapters. It allows users to connect to wireless networks and access the internet wirelessly. The package is an integral part of the Linux kernel and is widely used in various Linux distributions.
Vulnerability Detail
The use-after-free vulnerability in iwlwifi is a security flaw that can be exploited by an attacker to execute arbitrary code or cause a denial of service. The vulnerability occurs when the driver improperly handles memory deallocation, leading to a situation where a freed memory object is still accessed. This can result in memory corruption and potentially allow an attacker to gain control over the affected system.
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 as mentioned in the 'how_to_fix' section.
Conclusion
The use-after-free vulnerability in iwlwifi can pose a significant security risk, potentially allowing an attacker to gain control over the affected system. It is crucial to update the Linux kernel to the latest version to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
iwlwifi is a Linux kernel module that provides support for Intel Wireless WiFi Link adapters.
A use-after-free vulnerability occurs when a program continues to use a memory object after it has been freed, leading to potential memory corruption and security issues.
The use-after-free vulnerability in iwlwifi can allow an attacker to execute arbitrary code or cause a denial of service.
To fix this vulnerability, update the Linux kernel to version v5.15.25 or later.
There is no known workaround for this vulnerability. It is recommended to update the Linux kernel.
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