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CVE-2025-40203: Linux 6.8
CVE-2025-40203. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00151 (percentile 0.03859), scored 19-Oct-2026.
Affected technology
Linux · b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d to before 659874b7ee4976ad9ce476e07fd36bc67b3537f1, b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d to before 9c80da26fda2fdcaac7f92b5908875b3108830ff, b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d to before c1f86d0ac322c7e77f6f8dbd216c65d39358ffc0
Linux
Linux · 6.8
Linux
Component: Not specified by the source
File: fs/namespace.c
Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 31.2 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00151 · percentile 0.03859 · 2026-10-19
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-20 01:44:01.123206+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-40203.html