ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt
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.
02 / AFFECTED SOFTWARE
Affected packages
747 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/687061cfaa2ac3095170e136dd9c29a4974f41d4
- https://git.kernel.org/stable/c/8b40eb2e716b503f7a4e1090815a17b1341b2150
- https://git.kernel.org/stable/c/8cf9cc602cfb40085967c0d140e32691c8b71cf3
- https://git.kernel.org/stable/c/993bf0f4c393b3667830918f9247438a8f6fdb5b
- https://git.kernel.org/stable/c/f32d2a745b02123258026e105a008f474f896d6a
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26774.json
- https://nvd.nist.gov/vuln/detail/CVE-2024-26774