Use-After-Free Vulnerability in Linux Kernel CIFS Module

CVE-2023-53427

What is CVE-2023-53427?

A vulnerability in the Linux kernel's CIFS module can lead to a use-after-free scenario during the management of memory recovery lists. Specifically, if the allocation of memory for recovery fails, the subsequent operations do not properly initialize or clear the recovery work list. This oversight can trigger warnings and unexpected behaviors, including memory access issues that may compromise system integrity. The flaw primarily surfaces when mounting CIFS shares, underscoring the need for timely updates to maintain system stability.

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