Kernel Memory Management Issue in Linux Kernel from Vendor Linux

CVE-2023-53291

What is CVE-2023-53291?

A memory management vulnerability exists in the Linux kernel's rcuscale module. This issue causes threads from kfree_scale to remain active post module unloading, leading to potential system instability and page faults. The vulnerability is addressed by ensuring proper cleanup of resources upon unloading the rcuscale module, invoking kfree_scale_cleanup() to prevent dangling threads, improving the overall stability of the Linux kernel.

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