CVE-2024-50116

Summary

CVE-2024-50116 is a recently identified vulnerability in the Linux kernel that affects the nilfs2 file system. The issue arises due to a missing flag clearance in the submit_bh_wbc() function, which can result in a kernel bug when nilfs2 encounters a corrupted file system image and degrades to read-only mode. Specifically, the buffer delay flag is not cleared when the buffer state flags are discarded, leading to an inconsistency that can trigger the bug. This issue emerged as a result of the expansion of nilfs2's own page clear routine. Consequently, the Linux kernel team resolved this vulnerability to prevent potential kernel crashes or system instability.

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