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CVE-2025-40046: Linux 6.15
CVE-2025-40046. CVSS 3.1 base score 8.6 (HIGH, Source advisory). EPSS 0.00349 (percentile 0.26988), scored 19-Oct-2026.
Affected technology
Linux · 6699ec9a23f85f1764183430209c741847c45f12 to before 8bcc9eaf1b19f1a7029cba19f6bd4122b40f6c4f, 6699ec9a23f85f1764183430209c741847c45f12 to before 09cfd3c52ea76f43b3cb15e570aeddf633d65e80
Linux
Linux · 6.15
Linux
Component: Not specified by the source
File: io_uring/zcrx.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 8.6/10) rates confidentiality and integrity impact as low; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 34.5 /100 (P4)
- CVSS 3.1
- 8.6 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H · Source advisory
- EPSS
- 0.00349 · percentile 0.26988 · 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-2025-40046.html