Use-after-free vulnerability in atm: iphase package
Summary
GSD-2021-1001433: atm: iphase: fix possible use-after-free in ia_module_exit(). Affects Kernel versions < bcdd2be48edd8c6867fb44112cb8d18086beae29. No fix is published. How to fix ↓
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Background
The atm: iphase package is a component of the Linux Kernel, which is responsible for handling Asynchronous Transfer Mode (ATM) network interfaces. It provides the necessary functionality for ATM devices to communicate with the operating system. The package is widely used in Linux-based systems that utilize ATM technology for network connectivity.
Vulnerability Detail
The identified vulnerability in the atm: iphase package is a use-after-free issue that exists in the ia_module_exit() function. This function is called during the module exit process and is responsible for freeing resources allocated by the module. However, due to a programming error, there is a possibility of accessing freed memory after it has been released. An attacker could potentially exploit this vulnerability to execute arbitrary code or cause a denial-of-service condition.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As this vulnerability has been fixed in the latest version of the Linux Kernel, there is no specific workaround available. It is advised to update the Kernel to the patched version as soon as possible.
Conclusion
The use-after-free vulnerability in atm: iphase package can have serious security implications, allowing attackers to execute arbitrary code or cause a denial-of-service condition. It is crucial to update the Linux Kernel to the patched version to mitigate this vulnerability. For further support and assistance, please reach out to DevNack.com.
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FAQ
The use-after-free vulnerability in atm: iphase can potentially allow an attacker to execute arbitrary code or cause a denial-of-service condition.
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 and Vulert will analyze it for any open-source vulnerabilities, including this one.
At the time of this report, there are no known public exploits targeting this specific vulnerability. However, it is always recommended to apply security patches promptly to mitigate any potential risks.
You can find more details about this vulnerability in the Linux Kernel's Git repository. The commit bcdd2be48edd8c6867fb44112cb8d18086beae29 specifically addresses this issue.
For further support and assistance in remediating this vulnerability, you can contact info@devnack.com.
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