What’s Vulnerable › Vulnerabilities

CVE-2025-40324: NFSD: Fix crash in nfsd4_read_release()

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-08 · updated 2026-10-15

Description

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.

Affected products

• Linux kernel: from 5.10.220 before 5.10.247; from 5.15.154 before 5.15.197; from 6.1.24 before 6.1.159; from 6.2.11 before 6.3; 6.3 — fixed in 5.10.247, 5.15.197, 6.1.159, 6.18, 6.3

How to fix

Upgrade to a fixed version: Linux kernel 5.10.247, 5.15.197, 6.1.159, 6.18. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/03524ccff698d4a77d096ed529073d91f5edee5d
• https://git.kernel.org/stable/c/2ac46606b2cc49e78d8e3d8f2685e79e9ba73020
• https://git.kernel.org/stable/c/375fdd8993cecc48afa359728a6e70b280dde1c8
• https://git.kernel.org/stable/c/8f244b773c63fa480c9a3bd1ae04f5272f285e89
• https://git.kernel.org/stable/c/930cb4fe3ab4061be31f20ee30bb72a66f7bb6d1
• https://git.kernel.org/stable/c/a4948875ed0599c037dc438c11891c9012721b1d
• https://git.kernel.org/stable/c/abb1f08a2121dd270193746e43b2a9373db9ad84

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