CVE-2025-38393 - CVE House
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Status published Unknown CVE-2025-38393

NFSv4/pNFS: Fix a race to wake on NFS_LAYOUT_DRAIN

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
8acc3e228e1c90bd410f73597a4549e0409f22d6, ec23a86e060cbe30b62eb2955adc97c92d80cc4c, 880265c77ac415090090d1fe72a188fee71cb458, f133819e24e78f3aaaa00e9fa2b816d5f73fd172, 5.10.124, 5.15.49, 5.18.6, 5.19, 0, 5.10.240, 5.15.187, 6.1.144, 6.6.97, 6.12.37, 6.15.6, 6.16

Timeline

Official Publish: July 25th, 2025
Last Modified: July 14th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.