CVE-2025-38393
High
Description
In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: Fix a race to wake on NFS_LAYOUT_DRAIN We found a few different systems hung up in writeback waiting on the same page lock, and one task waiting on the NFS_LAYOUT_DRAIN bit in pnfs_update_layout(), however the pnfs_layout_hdr's plh_outstanding count was zero. It seems most likely that this is another race between the waiter and waker similar to commit ed0172af5d6f ("SUNRPC: Fix a race to wake a sync task"). Fix it up by applying the advised barrier.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Linux Kernel
PublishedJul 25, 2025
First seenJul 25, 2025
How to fix
Update
- linux linux_kernel5.10.240, 5.15.187, 5.19, 6.1.144, 6.6.97, 6.12.37, 6.15.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.10.124 ≤ v < 5.10.240, 5.15.49 ≤ v < 5.15.187, 5.18.6 ≤ v < 5.19, 5.19.1 ≤ v < 6.1.144, 6.2 ≤ v < 6.6.97, 6.7 ≤ v < 6.12.37, 6.13 ≤ v < 6.15.6, 5.19, 6.16 | 5.10.240, 5.15.187, 5.19, 6.1.144, 6.6.97, 6.12.37, 6.15.6 |
| debian debian_linux | 11.0 | — |
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