NFSD: Fix crash in nfsd4_read_release()
Priority LOW 39Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 4 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00455 39th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.247, 5.15.197, 6.1.159 +5Red Hat: 4 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.10.220 to before 5.10.247; 5.15.154 to before 5.15.197; 6.1.24 to before 6.1.159; 6.2.11 to before 6.3 | 5.10.247, 5.15.197, 6.1.159, 6.3 | Patch available | CNA |
| Linux | Linux | 6.3 and later | 5.10.247, 5.15.197, 6.1.159, 6.6.117, 6.12.58, 6.17.8, 6.18 | Patch available | CNA |
- Linux VendorLinux Affected 5.10.220 to before 5.10.247; 5.15.154 to before 5.15.197; 6.1.24 to before 6.1.159; 6.2.11 to before 6.3 Fixed in 5.10.247, 5.15.197, 6.1.159, 6.3 Patch available CNA
- Linux VendorLinux Affected 6.3 and later Fixed in 5.10.247, 5.15.197, 6.1.159, 6.6.117, 6.12.58, 6.17.8, 6.18 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.247, 5.15.197, 6.1.159, 6.3
- Fix · CNA Linux (Linux) Fixed in 5.10.247, 5.15.197, 6.1.159, 6.6.117, 6.12.58, 6.17.8, 6.18
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 1 product
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2025-40324
- 2026-10-03 Alias added: GHSA-cfr4-frvg-x3c3
- 2026-10-16 CISA SSVC decision points changed
References
Other 7
- https://git.kernel.org/stable/c/930cb4fe3ab4061be31f20ee30bb72a66f7bb6d1
- https://git.kernel.org/stable/c/375fdd8993cecc48afa359728a6e70b280dde1c8
- https://git.kernel.org/stable/c/2ac46606b2cc49e78d8e3d8f2685e79e9ba73020
- https://git.kernel.org/stable/c/03524ccff698d4a77d096ed529073d91f5edee5d
- https://git.kernel.org/stable/c/a4948875ed0599c037dc438c11891c9012721b1d
- https://git.kernel.org/stable/c/8f244b773c63fa480c9a3bd1ae04f5272f285e89
- https://git.kernel.org/stable/c/abb1f08a2121dd270193746e43b2a9373db9ad84
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- TI-2021-02452 Incorrect authorization in Ubuntu linux kernel KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
Sources
- CVE-2025-40324 · CVE Program
- CVE-2025-40324 · NVD
- FIRST EPSS
- GHSA-cfr4-frvg-x3c3 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-40324 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences