CVE-2024-46801
High
Description
In the Linux kernel, the following vulnerability has been resolved: libfs: fix get_stashed_dentry() get_stashed_dentry() tries to optimistically retrieve a stashed dentry from a provided location. It needs to ensure to hold rcu lock before it dereference the stashed location to prevent UAF issues. Use rcu_dereference() instead of READ_ONCE() it's effectively equivalent with some lockdep bells and whistles and it communicates clearly that this expects rcu protection.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedSep 18, 2024
First seenSep 18, 2024
How to fix
Update
- linux linux_kernel6.10.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.9 ≤ v < 6.10.10, 6.11 | 6.10.10 |
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