Tracker / CVE-2024-47757
CVE-2024-47757
High 7.1
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential oob read in nilfs_btree_check_delete() The function nilfs_btree_check_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.
Affected products and versions
| linux | linux_kernel · 2.6.30 → 5.10.227 |
|---|---|
| linux | linux_kernel · 5.11 → 5.15.168 |
| linux | linux_kernel · 5.16 → 6.1.113 |
| linux | linux_kernel · 6.11 → 6.11.2 |
| linux | linux_kernel · 6.2 → 6.6.54 |
| linux | linux_kernel · 6.7 → 6.10.13 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.