CVE-2024-34748: Android Device Memory Server Use-After-Free Vulnerability
Summary
CVE-2024-34748: In _DevmemXReservationPageAddress of devicemem_server.c, there is a possible use-after-free due to improper casting. Affects :unknown: versions >= SoCVersion:0, < SoCVersion:2024-10-05. Fixed in SoCVersion:2024-10-05. How to fix ↓
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Background
The Android Device Memory Server is a crucial component in the Android ecosystem, responsible for managing device memory resources. It facilitates communication between applications and the underlying hardware, ensuring efficient memory allocation and usage. However, it is susceptible to vulnerabilities that can lead to security risks, such as privilege escalation.
Vulnerability Detail
In the Android Device Memory Server, specifically in the _DevmemXReservationPageAddress function of devicemem_server.c, a use-after-free vulnerability exists due to improper casting. This flaw allows an attacker to exploit the vulnerability to escalate privileges within the kernel without requiring additional execution privileges. The vulnerability is particularly concerning as it can be exploited locally, posing a significant security risk to the system.
How To Fix
Minimum fixed version
SoCVersion:2024-10-05
This is the first release that contains the fix.
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Workaround
Currently, there are no specific workarounds available for this vulnerability. The best course of action is to apply the patch as soon as it becomes available.
Conclusion
The CVE-2024-34748 vulnerability poses a significant risk to the Android Device Memory Server, allowing for potential local privilege escalation. Users are strongly advised to update their systems to the latest patched version to mitigate this risk. Regular monitoring and updates are crucial for maintaining system security.
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FAQ
CVE-2024-34748 is a vulnerability in the Android Device Memory Server that allows for local privilege escalation due to a use-after-free error.
You can check if your application is affected by using the Vulert playground at Vulert Scanner, which monitors open-source vulnerabilities without requiring any signup.
If your device is vulnerable, you should update to the patched version of the Android Device Memory Server released on October 5, 2024.
The primary risk is local privilege escalation, which could allow an attacker to gain unauthorized access to system resources and potentially compromise the device's security.
No, user interaction is not needed for exploitation, making it particularly dangerous.
References
Related vulnerabilities
Recent vulnerabilities recorded for :unknown:.
