CVE-2024-47757

Source
https://nvd.nist.gov/vuln/detail/CVE-2024-47757
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-47757.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2024-47757
Downstream
Related
Published
2024-10-21T13:15:05Z
Modified
2025-08-09T20:01:26Z
Severity
  • 7.1 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

nilfs2: fix potential oob read in nilfsbtreecheck_delete()

The function nilfsbtreecheck_delete(), which checks whether degeneration to direct mapping occurs before deleting a b-tree entry, causes memory access outside the block buffer when retrieving the maximum key if the root node has no entries.

This does not usually happen because b-tree mappings with 0 child nodes are never created by mkfs.nilfs2 or nilfs2 itself. However, it can happen if the b-tree root node read from a device is configured that way, so fix this potential issue by adding a check for that case.

References

Affected packages