CVE-2024-21803: linux-libc-dev - Use-After-Free Vulnerability in Bluetooth Module
Summary
CVE-2024-21803: Use After Free vulnerability in Linux Linux kernel kernel on Linux, x86, ARM (bluetooth modules) allows Local Execution of Code. Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
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Background
linux-libc-dev is a package that provides the header files for the Linux kernel. These header files are necessary for compiling and building applications that interact with the kernel. The package is widely used in Linux distributions and is an essential component for software development on the Linux platform. However, the package is vulnerable to a use-after-free vulnerability in the Bluetooth module, which can lead to local code execution.
Vulnerability Detail
The use-after-free vulnerability in the linux-libc-dev package affects the Bluetooth module of the Linux kernel. This vulnerability allows an attacker with local access to execute arbitrary code on the affected system. The vulnerability arises due to improper handling of Bluetooth connections, leading to a situation where memory is accessed after it has been freed. Exploiting this vulnerability can result in a variety of consequences, including unauthorized access, privilege escalation, and potential system compromise.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
At present, there is no known workaround for this vulnerability. It is crucial to update the linux-libc-dev package to the fixed version as soon as possible to mitigate the risk of exploitation.
Conclusion
The linux-libc-dev package is vulnerable to a use-after-free vulnerability in the Bluetooth module. This vulnerability can be exploited by an attacker with local access to execute arbitrary code and potentially compromise the system. It is crucial to update the package to the fixed version and follow secure coding practices to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
linux-libc-dev is a package that provides header files for the Linux kernel, enabling software development and interaction with the kernel.
A use-after-free vulnerability occurs when a program continues to use a memory region after it has been freed, leading to potential memory corruption and exploitation.
This vulnerability can be exploited by an attacker with local access to the system, allowing them to execute arbitrary code and potentially gain unauthorized access or escalate privileges.
This vulnerability affects linux-libc-dev versions from v2.6.12-rc2 to v6.8-rc1. It is recommended to update to a fixed version to mitigate the risk.
Yes, the CVSS score for this vulnerability is 7.8, indicating a high severity level.
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