CVE-2024-41935
High
Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to shrink read extent node in batches We use rwlock to protect core structure data of extent tree during its shrink, however, if there is a huge number of extent nodes in extent tree, during shrink of extent tree, it may hold rwlock for a very long time, which may trigger kernel hang issue. This patch fixes to shrink read extent node in batches, so that, critical region of the rwlock can be shrunk to avoid its extreme long time hold.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Linux Kernel
PublishedJan 11, 2025
First seenJan 11, 2025
How to fix
Update
- linux linux_kernel6.6.66, 6.12.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.8 ≤ v < 6.6.66, 6.7 ≤ v < 6.12.5 | 6.6.66, 6.12.5 |
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