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CVE-2025-40320: Linux 6.8
CVE-2025-40320. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00418 (percentile 0.34329), scored 13-Oct-2026.
Affected technology
Linux · 433042a91f9373241307725b52de573933ffedbf to before 939c4e33005e2a56ea8fcedddf0da92df864bd3b, 4f1fffa2376922f3d1d506e49c0fd445b023a28e to before 327f89c21601ebb7889f8c97754b76f08ce95a0c, 4f1fffa2376922f3d1d506e49c0fd445b023a28e to before b556c278d43f4707a9073ca74d55581b4f279806, 4f1fffa2376922f3d1d506e49c0fd445b023a28e to before 5c76f9961c170552c1d07c830b5e145475151600, 6.6.32 to before 6.6.117
Linux
Linux · 6.8
Linux
Component: Not specified by the source
File: fs/smb/client/smb2ops.c
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 39.3 /100 (P4)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00418 · percentile 0.34329 · 2026-10-13
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-15 01:07:31.726917+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-40320.html