Vulnerability in Linux Kernel: exec: Force single empty string when argv is empty
Summary
GSD-2022-1002118: exec: Force single empty string when argv is empty. Affects Kernel versions < 27a6f495b63a1804cc71be45911065db7757a98c. No fix is published. How to fix ↓
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Background
The Linux Kernel is a critical component of the Linux operating system, responsible for managing system resources and providing an interface between hardware and software. It is widely used across various devices and systems. The vulnerability identified in the kernel relates to the 'exec' function, which is responsible for executing a new program within a process. When the 'argv' parameter, which represents the command-line arguments for the new program, is empty, the kernel does not handle it correctly, potentially leading to security issues.
Vulnerability Detail
The vulnerability arises from a flaw in the handling of empty 'argv' parameters in the 'exec' function. When 'argv' is empty, the kernel does not force a single empty string as required, which can result in unexpected behavior and potential security risks. Attackers may exploit this vulnerability to manipulate the execution of programs and potentially execute arbitrary code. The impact and attack plausibility of this vulnerability have not been proven, but it is essential to address it to maintain the security of the system.
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. However, applying the fix by updating the Linux Kernel to the patched version is the recommended approach.
Conclusion
The vulnerability in the Linux Kernel related to the 'exec' function has been identified and fixed in version v5.10.110. It is crucial to update the Linux Kernel to this version or a later one to ensure the security of the system. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Linux Kernel is a critical component of the Linux operating system, responsible for managing system resources and providing an interface between hardware and software.
The 'exec' function is used to execute a new program within a process. It replaces the current process image with a new one.
The impact of this vulnerability is not yet proven, but it has the potential to allow attackers to manipulate program execution and potentially execute arbitrary code.
To fix this vulnerability, update the Linux Kernel to version v5.10.110 or a later version that includes the fix.
There is no specific workaround mentioned for this vulnerability. It is recommended to apply the fix by updating the Linux Kernel.
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