Vulnerability in Kernel package: rtc: mt6397
Summary
GSD-2022-1004052: rtc: mt6397: check return value after calling platform_get_resource(). Affects Kernel versions >= fc2979118f3f5193475cb53d5df7bdaa7e358a42, < 3867f0bbb94773d41e789257abec0d14f37da217. No fix is published. How to fix ↓
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Background
The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality. It provides essential services and interfaces for hardware devices, including the real-time clock (RTC). The RTC module mt6397 is used in certain systems to handle timekeeping and alarm functions. However, a vulnerability has been discovered in this module that could potentially lead to security issues.
Vulnerability Detail
The vulnerability in the rtc: mt6397 module arises from a failure to check the return value after calling platform_get_resource(). This oversight could allow an attacker to exploit the system by manipulating the resources accessed by the module. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in Linux Kernel version v4.9.318 by commit 3867f0bbb94773d41e789257abec0d14f37da217. The vulnerability was introduced in version v4.2 by commit fc2979118f3f5193475cb53d5df7bdaa7e358a42.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
The vulnerability in the Kernel package's rtc: mt6397 module highlights the importance of regularly updating software components to ensure the security and stability of the system. It is recommended to apply the available patch or update the Kernel package to the fixed version to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is currently unknown as it has not been proven yet. However, if successfully exploited, it could potentially lead to security issues in the affected system.
You can use tools like Vulert (https://vulert.com) to check if your system is affected by this vulnerability. Vulert uses a manifest file like package-lock.json to monitor and alert in real-time for open-source vulnerabilities in the software.
Yes, a patch for this vulnerability is available in Linux Kernel version v4.9.318. It is recommended to update the Kernel package to this version or later to mitigate the vulnerability.
While no specific workaround has been mentioned for this vulnerability, it is generally recommended to follow security best practices such as keeping the system up to date with the latest patches and maintaining a robust security posture.
You can find more information about this vulnerability in the GSD-2022-1004052 JSON report available at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1004xxx/GSD-2022-1004052.json
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