Use-after-free vulnerability in atm: iphase package
Summary
GSD-2021-1001399: atm: iphase: fix possible use-after-free in ia_module_exit(). Affects Kernel versions < 89ce0b0747f319eb70f85bc820dcc43cebbd5417. 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) networking. It provides the necessary functionality for ATM devices to communicate with the kernel and other network components. The package plays a critical role in enabling ATM networking capabilities in Linux-based systems.
Vulnerability Detail
The identified vulnerability in atm: iphase is a use-after-free issue that exists in the ia_module_exit() function. This function is called during the module exit process, and it is responsible for freeing resources associated with 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
There is no specific workaround mentioned for this vulnerability.
Conclusion
The use-after-free vulnerability in atm: iphase package of the Linux Kernel can be mitigated by updating to version v4.19.198 or later. It is crucial to promptly apply the patch to ensure the security and stability of Linux-based systems. For further assistance or support in vulnerability remediation, please contact DevNack.com.
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FAQ
The atm: iphase package is a component of the Linux Kernel that enables ATM networking capabilities in Linux-based systems.
A use-after-free vulnerability occurs when a program continues to reference memory after it has been freed. This can lead to various security issues, including the potential execution of arbitrary code.
This vulnerability in atm: iphase could allow an attacker to execute arbitrary code or cause a denial-of-service condition.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v4.19.198 or later, which includes a patch for the use-after-free issue in atm: iphase.
No specific workaround has been mentioned for this vulnerability.
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