Buffer Handling Vulnerability in Linux Kernel's CAN BCM Component

CVE-2023-53344

What is CVE-2023-53344?

In the Linux kernel, a vulnerability has been identified within the CAN BCM component concerning improper handling of memory during buffer operations. This issue arises when the 'memcpy_from_msg' function encounters an error during copying, leading to a comparison of uninitialized memory. This can potentially cause unpredictable behavior in the kernel, posing a risk to system stability and security. The vulnerability has been addressed through a patch that implements error handling after the memory copy operation to mitigate the risk of uninitialized memory being utilized.

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