Memory Leak in Linux Kernel Affects Multiple Versions

CVE-2023-53423

What is CVE-2023-53423?

A memory leak vulnerability has been identified within the Linux kernel that arises from improper handling of memory allocation in the objtool component. Specifically, the strdup() function allocates memory for the key_name, but in scenarios where errors occur, the allocated memory is not released, leading to potential resource exhaustion. The vulnerability has been addressed in a recent update, which includes the addition of free() calls to clean up the memory in all error paths, thereby preventing the leak and improving overall system stability. Users and administrators are advised to update their Linux kernel to the latest version to mitigate any risks related to this vulnerability.

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