CVE-2023-4394

Summary

CVE-2023-4394 is a use-after-free vulnerability identified in the btrfs_get_dev_args_from_path function of the Linux Kernel's fs/btrfs/volumes.c file. An attacker with special privileges can exploit this flaw to cause a system crash or leak sensitive internal kernel information. The use-after-free condition occurs when memory that has been previously freed is accessed again, leading to unpredictable behavior and potential security risks. This vulnerability affects the btrfs file-system and poses a significant threat to local systems if exploited successfully.

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