CVE-2024-43857

Summary

CVE-2024-43857 is a vulnerability affecting the Linux kernel's f2fs file system. The issue involves a null reference error that could occur when checking the end of a zone. This error may result in a null pointer being accessed by is_end_zone_blkaddr(), which can pose a potential security risk. The vulnerability has been addressed through a patch that ensures proper checking of the last block of a zone when f2fs is mounted as a single device.

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