CVE-2024-26774
ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt
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ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt
| Assigner | Linux |
| Reserved | 2024-02-19 |
| Published | 2024-04-03 |
| Updated | 2024-09-11 |
In the Linux kernel, the following vulnerability has been resolved: ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt Determine if bb_fragments is 0 instead of determining bb_free to eliminate the risk of dividing by zero when the block bitmap is corrupted.
https://git.kernel.org/stable/c/687061cfaa2ac3095170e136dd9c29a4974f41d4
https://git.kernel.org/stable/c/8b40eb2e716b503f7a4e1090815a17b1341b2150
https://git.kernel.org/stable/c/f32d2a745b02123258026e105a008f474f896d6a
https://git.kernel.org/stable/c/8cf9cc602cfb40085967c0d140e32691c8b71cf3
https://git.kernel.org/stable/c/993bf0f4c393b3667830918f9247438a8f6fdb5b
