CVE-2024-46841

Summary

CVE-2024-46841 is a vulnerability affecting the Linux kernel. It was identified in the btrfs file system where the function btrfs_lookup_extent_info() in walk_down_proc() was found to not properly handle memory errors (ENOMEM). Previously, this function would trigger a BUG_ON error upon encountering such issues. However, with the resolution of this vulnerability, proper error handling is now implemented, and the function returns the error instead of crashing. This improvement mitigates the risk of system instability or potential exploitation caused by the BUG_ON error.

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