CVE-2022-39105: Android Sensor Driver Out of Bounds Write Vulnerability
Summary
CVE-2022-39105: In sensor driver, there is a possible out of bounds write due to a missing bound check. This could lead to local denial of service in kernel. Affects :unknown: versions >= SoCVersion:0, < SoCVersion:2022-12-05. Fixed in SoCVersion:2022-12-05. How to fix ↓
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Background
The Android operating system is a widely used open-source platform that powers a variety of devices, including smartphones and tablets. It includes a range of drivers that facilitate communication between the hardware and software components. One such driver is the sensor driver, which manages data from various sensors (e.g., accelerometers, gyroscopes). This driver is crucial for enabling features like motion detection and orientation changes. However, a vulnerability has been identified in the sensor driver that could lead to severe security implications.
Vulnerability Detail
The vulnerability arises from a missing boundary check in the sensor driver, which allows for a possible out-of-bounds write. This flaw can be exploited locally, leading to a denial of service (DoS) condition within the kernel. The absence of proper checks means that an attacker could manipulate the driver to write data outside the allocated memory space, potentially causing system instability or crashes. This vulnerability is classified as having a high severity level and falls under the category of elevation of privilege (EoP).
How To Fix
Minimum fixed version
SoCVersion:2022-12-05
This is the first release that contains the fix.
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Workaround
Currently, there are no specific workarounds provided for this vulnerability. The best course of action is to apply the available patch as soon as possible to prevent potential exploitation.
Conclusion
In summary, CVE-2022-39105 is a critical vulnerability in the Android sensor driver that can lead to local denial of service due to an out-of-bounds write. Users are strongly encouraged to update their devices to the patched version released on December 5, 2022, to ensure their systems remain secure.
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FAQ
CVE-2022-39105 is a vulnerability in the Android sensor driver that allows for a possible out-of-bounds write due to a missing boundary check.
The vulnerability can lead to local denial of service in the kernel, causing system instability or crashes.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without requiring any signup.
Yes, a patch is available as of December 5, 2022. It is recommended to update your device to this version to mitigate the risk.
If you cannot update your device, it is advisable to limit the use of applications that may exploit this vulnerability until a fix can be applied.
References
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