Out of Bounds Write Vulnerability in Android Memory Management Driver
Summary
ASB-A-183464866: In memory management driver, there is a possible out of bounds write due to a missing bounds check. Affects :unknown: versions >= SoCVersion:0, < SoCVersion:2021-05-05. Fixed in SoCVersion:2021-05-05. How to fix ↓
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Background
The Android memory management driver is a critical component of the Android operating system, responsible for managing memory allocation and ensuring efficient use of system resources. This driver plays a vital role in maintaining system stability and performance. However, it is susceptible to vulnerabilities that can lead to security risks, such as privilege escalation.
Vulnerability Detail
In the memory management driver, there exists a vulnerability characterized by a possible out of bounds write due to a missing bounds check. This flaw can allow an attacker to escalate their privileges locally without requiring additional execution privileges. The absence of a proper bounds check means that memory can be overwritten, potentially leading to unauthorized access to sensitive system resources or data.
How To Fix
Minimum fixed version
SoCVersion:2021-05-05
This is the first release that contains the fix.
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Workaround
Currently, no specific workarounds are provided for this vulnerability. The best course of action is to apply the available patch by updating the system.
Conclusion
The out of bounds write vulnerability in the Android memory management driver poses a significant risk of local privilege escalation. It is crucial for users to update their systems to the patched version to safeguard against potential exploitation. Regular monitoring for vulnerabilities using tools like Vulert can further enhance security.
See every vulnerability recorded for :unknown: →
FAQ
An out of bounds write vulnerability occurs when a program writes data outside the allocated memory buffer, which can lead to data corruption, crashes, or security breaches.
An attacker can exploit this vulnerability to escalate their privileges on the device, potentially gaining unauthorized access to sensitive information or system functions.
No, user interaction is not needed for exploitation, making it particularly dangerous.
If your device is affected, you should update to the patched version released on May 5, 2021, to protect against this vulnerability.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. You can check if your application is affected by visiting the Vulert playground at Vulert Scanner without any signup.
References
Related vulnerabilities
Recent vulnerabilities recorded for :unknown:.
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