CVE-2024-26583: linux-libc-dev - Kernel TLS Race Condition
Summary
CVE-2024-26583: In the Linux kernel, the following vulnerability has been resolved: tls: fix race between async notify and socket close The submitting thread (one which called recvmsg/sendmsg) may exit as soon as the async crypto handle... Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
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Background
The linux-libc-dev package is a development package for the Linux kernel. It provides the necessary header files and libraries for compiling programs that interact with the kernel. This package is an essential component for building and running applications on Linux systems. However, it is vulnerable to a race condition in the kernel's TLS (Transport Layer Security) implementation.
Vulnerability Detail
The vulnerability (CVE-2024-26583) in linux-libc-dev arises from a race condition between an asynchronous notification and the closure of a socket. When the submitting thread (the one that called recvmsg/sendmsg) exits, the async crypto handler may call complete(), potentially leading to the use of freed data. This can result in various issues, including crashes or the execution of arbitrary code by an attacker. The vulnerability has been addressed by fixing the race condition and improving synchronization.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been mentioned for this vulnerability. It is advised to apply the recommended fix by updating the linux-libc-dev package.
Conclusion
The linux-libc-dev package is vulnerable to a race condition in the kernel's TLS implementation. It is crucial to update the package to the latest version to mitigate the risk of crashes or arbitrary code execution. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
linux-libc-dev is a development package for the Linux kernel, providing header files and libraries for compiling programs that interact with the kernel.
The vulnerability can lead to crashes or the execution of arbitrary code by an attacker.
Update the linux-libc-dev package to version 6.1.90-1 or later.
No specific workaround has been mentioned. Updating the package is the recommended solution.
You can find more information about this vulnerability in the references provided.
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