ARM: davinci: da850-evm: Avoid NULL pointer dereference in Kernel
Summary
GSD-2022-1000960: ARM: davinci: da850-evm: Avoid NULL pointer dereference. Affects Kernel versions >= bae105879f2f2404155da6f50b3636193d228a62, < c5628533a3ece64235d04fe11ec44d2be99e423d. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that acts as a bridge between the hardware and software layers. It provides essential functionalities and services to enable the proper functioning of the system. The ARM davinci da850-evm is a specific hardware platform that utilizes the Kernel. It is susceptible to a vulnerability that can lead to a NULL pointer dereference.
Vulnerability Detail
The vulnerability in the ARM davinci da850-evm Kernel allows for a NULL pointer dereference. This occurs when the Kernel attempts to access memory using a NULL pointer, resulting in a system crash or potential privilege escalation. The issue was introduced in Kernel version v2.6.33 and has been fixed in version v5.17.4. 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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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The ARM davinci da850-evm Kernel is vulnerable to a NULL pointer dereference, which can result in a system crash or potential privilege escalation. It is crucial to update the Kernel to version v5.17.4 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
A NULL pointer dereference occurs when a program or system attempts to access memory using a NULL pointer, which points to no valid memory location. This can result in a crash or potentially allow an attacker to exploit the vulnerability for privilege escalation.
The impact of this vulnerability can vary depending on the context in which it is exploited. It can lead to a system crash, denial of service, or potential privilege escalation, allowing an attacker to gain unauthorized access or control over the affected system.
You can use Vulert's 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 in real-time to identify any open-source vulnerabilities, including this one.
Yes, a patch is available for this vulnerability in Kernel version v5.17.4. It is recommended to update to this version or a later one to mitigate the risk.
You can find more information about this vulnerability in the official Linux Kernel repository. The specific commit that fixes this issue is c5628533a3ece64235d04fe11ec44d2be99e423d.
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