Review reviewHigh

CVE-2025-38357

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: fuse: fix runtime warning on truncate_folio_batch_exceptionals() The WARN_ON_ONCE is introduced on truncate_folio_batch_exceptionals() to capture whether the filesystem has removed all DAX entries or not. And the fix has been applied on the filesystem xfs and ext4 by the commit 0e2f80afcfa6 ("fs/dax: ensure all pages are idle prior to filesystem unmount"). Apply the missed fix on filesystem fuse to fix the runtime warning: [ 2.011450] ------------[ cut here ]------------ [ 2.011873] WARNING: CPU: 0 PID: 145 at mm/truncate.c...

CVSS: 7.8
EPSS: -
CISA KEV: Not listed
Published: 2025.07.25

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability-

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: Linux Linux, linux kernel
Affected versions: >= bde708f1a65d025c45575bfe1e7bf7bdf7e71e87 < b48878aee8e7311411148c7a67c8f0b02f571d75, >= bde708f1a65d025c45575bfe1e7bf7bdf7e71e87 < befd9a71d859ea625eaa84dae1b243efb3df3eca, >= 6.15, >= 6.15 < 6.15.5, 6.16
Fixed versions: 6.15.5

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Linux Linux, linux kernel and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: Not available