CVE-2025-38393

medium

Published 2023-05-09 · Modified 2025-07-28

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

4.7

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

4.7

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.

Predictions

Exploit likelihood

47%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Linux kernel Affected 3 releases

Version	Status	Fixed in
6.16	Affected	—
5.19	Affected	—
—	Affected	`5.10.240`

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Debian Mixed 6 releases

Version	Status	Fixed in
trixie	Fixed	`6.12.37-1`
sid	Fixed	`6.12.37-1`
forky	Fixed	`6.12.37-1`
bullseye	Fixed	`5.10.244-1`
bookworm	Fixed	`6.1.147-1`
11.0	Affected	—

Red Hat Fixed 2 releases

Version	Status	Fixed in
9	Fixed	—
8	Fixed	—

References

CWEs

CWE-362

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.