CVE-2024-31334: Android Device Memory Management Logic Error Leading to Arbitrary Code Execution
Summary
CVE-2024-31334: In DevmemIntFreeDefBackingPage of devicemem_server.c, there is a possible arbitrary code execution due to a logic error in the code. Affects :unknown: versions >= SoCVersion:0, < SoCVersion:2024-07-05. Fixed in SoCVersion:2024-07-05. How to fix ↓
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Background
The affected package is part of the Android operating system, specifically within the device memory management subsystem. This subsystem is responsible for managing memory allocation and deallocation for various device components. It plays a crucial role in ensuring efficient memory usage and system stability. However, due to a logic error in the DevmemIntFreeDefBackingPage function, the system is vulnerable to exploitation, potentially allowing unauthorized access to kernel-level privileges.
Vulnerability Detail
The vulnerability arises from a logic error in the DevmemIntFreeDefBackingPage function of the devicemem_server.c file. This flaw can be exploited to execute arbitrary code, leading to local escalation of privilege within the kernel. The exploitation does not require any additional execution privileges or user interaction, making it particularly dangerous. If successfully exploited, an attacker could gain control over critical system functions, potentially compromising the integrity and security of the entire device.
How To Fix
Minimum fixed version
SoCVersion:2024-07-05
This is the first release that contains the fix.
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Workaround
Currently, there are no specific workarounds available to mitigate this vulnerability. The best course of action is to apply the available patch as soon as it is released.
Conclusion
CVE-2024-31334 represents a significant security risk within the Android operating system due to a logic error in the device memory management subsystem. Users are strongly advised to update their systems to the latest patched version to protect against potential exploitation.
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FAQ
CVE-2024-31334 is a vulnerability in the Android operating system that allows for arbitrary code execution due to a logic error in the device memory management subsystem.
The vulnerability can be exploited by an attacker to gain local escalation of privilege within the kernel without requiring additional execution privileges or user interaction.
If exploited, this vulnerability could allow an attacker to execute arbitrary code, compromising the security and integrity of the device.
You can check if your application is affected by using the Vulert playground at Vulert Scanner, which monitors and alerts for open-source vulnerabilities in real-time.
If your device is affected, it is crucial to update to the patched version released on July 5, 2024, to mitigate the risk associated with this vulnerability.
References
Related vulnerabilities
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