Use-after-free vulnerability in atm: iphase module
Summary
GSD-2021-1001492: atm: iphase: fix possible use-after-free in ia_module_exit(). Affects Kernel versions < 9e161687855175334ca93c6c3ccb221731194479. No fix is published. How to fix ↓
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Background
The atm: iphase module is a component of the Linux Kernel, which is responsible for handling Asynchronous Transfer Mode (ATM) network interfaces. It provides support for ATM network devices and protocols. The module is an integral part of the Linux Kernel and is widely used in various Linux-based systems.
Vulnerability Detail
The identified vulnerability in the atm: iphase module is a use-after-free issue in the ia_module_exit() function. This vulnerability could potentially be exploited by an attacker to execute arbitrary code or cause a denial-of-service (DoS) condition. The use-after-free vulnerability occurs when a program continues to use a pointer after the memory it points to has been freed, leading to unpredictable behavior and potential security risks. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The use-after-free vulnerability in the atm: iphase module of the Linux Kernel can be addressed by updating the Kernel to the fixed version. This ensures that the vulnerable code is replaced with the patched code, mitigating the risk of exploitation. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The atm: iphase module is a component of the Linux Kernel that provides support for ATM network devices and protocols.
A use-after-free vulnerability occurs when a program continues to use a pointer after the memory it points to has been freed, leading to unpredictable behavior and potential security risks.
The impact of this vulnerability could include arbitrary code execution or a denial-of-service (DoS) condition.
No, the impact and attack plausibility of this vulnerability have not been proven yet.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v4.4.276 or a later version that includes the fix.
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