Review reviewHigh

CVE-2025-40324

Linux

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix crash in nfsd4_read_release() When tracing is enabled, the trace_nfsd_read_done trace point crashes during the pynfs read.testNoFh test.

CVSS: 7.5
EPSS: 0.45%
CISA KEV: Not listed
Published: 2025.12.08

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.45%

Technical severityCVSS 7.5

Vulnerability overview

Affected product and versions

Product: Linux
Affected versions: >= 65a33135e91e6dd661ecdf1194b9d90c49ae3570 < 930cb4fe3ab4061be31f20ee30bb72a66f7bb6d1, >= b11d8162c24af4a351d21e2c804d25ca493305e3 < 375fdd8993cecc48afa359728a6e70b280dde1c8, >= b623a8e5d38a69a3ef8644acb1030dd7c7bc28b3 < 2ac46606b2cc49e78d8e3d8f2685e79e9ba73020, >= 15a8b55dbb1ba154d82627547c5761cac884d810 < 03524ccff698d4a77d096ed529073d91f5edee5d, >= 15a8b55dbb1ba154d82627547c5761cac884d810 < a4948875ed0599c037dc438c11891c9012721b1d, >= 15a8b55dbb1ba154d82627547c5761cac884d810 < 8f244b773c63fa480c9a3bd1ae04f5272f285e89, >= 15a8b55dbb1ba154d82627547c5761cac884d810 < abb1f08a2121dd270193746e43b2a9373db9ad84, >= 3d0dcada384af22dec764c8374a2997870ec86ae, >= 5.10.220 < 5.10.247, >= 5.15.154 < 5.15.197, >= 6.1.24 < 6.1.159, >= 6.2.11 < 6.3, >= 6.3
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Linux 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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE: Not available