Integer Overflow in gpio-xilinx Package
Summary
GSD-2022-1004328: gpio: gpio-xilinx: Fix integer overflow. Affects Kernel versions >= 02b3f84d9080b0f4297f31258307f626a43faba5, < e129e5486b981d324057e6986059f852658b0d00. No fix is published. How to fix ↓
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Background
The gpio-xilinx package is a component of the Linux Kernel ecosystem. It provides functionality for handling General Purpose Input/Output (GPIO) pins on Xilinx devices. GPIO pins are used to control and monitor external devices connected to the system. The gpio-xilinx package is widely used in various embedded systems and devices that utilize Xilinx hardware. However, a vulnerability has been discovered in the package that could potentially lead to security issues.
Vulnerability Detail
The vulnerability in the gpio-xilinx package is related to an integer overflow. An attacker could exploit this vulnerability by providing malicious input that triggers the overflow during certain operations. This could lead to unexpected behavior, including memory corruption or system crashes. The impact and attack plausibility of this vulnerability have not been proven yet. The vulnerability was introduced in version v5.14 of the Linux Kernel and has been fixed in version v5.15.58 by commit e129e5486b981d324057e6986059f852658b0d00.
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. The recommended approach is to apply the fix by updating the Linux Kernel to the latest version.
Conclusion
The gpio-xilinx package in the Linux Kernel is vulnerable to an integer overflow. This vulnerability can potentially lead to memory corruption or system crashes. It is recommended to update the Linux Kernel to version v5.15.58 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The gpio-xilinx package is a component of the Linux Kernel ecosystem that provides functionality for handling GPIO pins on Xilinx devices.
An integer overflow occurs when an arithmetic operation results in a value that exceeds the maximum representable value for the data type used to store the result. In this vulnerability, the integer overflow can lead to unexpected behavior and potential security issues.
An attacker can exploit this vulnerability by providing malicious input that triggers the integer overflow during certain operations. This can lead to memory corruption or system crashes, potentially allowing the attacker to gain unauthorized access or disrupt the system.
No, the impact and attack plausibility of this vulnerability have not been proven yet. However, it is still important to apply the fix to mitigate any potential risks.
To fix this vulnerability, update the Linux Kernel to version v5.15.58 or later. Pull the latest updates from the official Linux Kernel repository and recompile/install the new kernel version on the affected system.
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