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CVE-2025-40301: Linux 6.1
CVE-2025-40301 affects azl3 kernel 6.6.112.1-2 on Azure Linux 3.0. CVSS 3.1 base score 7.6 (HIGH, Source advisory). EPSS 0.00271 (percentile 0.17884), scored 13-Oct-2026.
Affected technology
Linux · afcb3369f46ed5dc883a7b92f2dd1e264d79d388 to before fea895de78d3bb2f0c09db9f10b18f8121b15759, afcb3369f46ed5dc883a7b92f2dd1e264d79d388 to before 779f83a91d4f1bf5ddfeaf528420cbb6dbf03fa8, afcb3369f46ed5dc883a7b92f2dd1e264d79d388 to before cf2c2acec1cf456c3d11c11a7589e886a0f963a9, afcb3369f46ed5dc883a7b92f2dd1e264d79d388 to before 1a0ddaaf97405dbd11d4cb5a961a3f82400e8a50, afcb3369f46ed5dc883a7b92f2dd1e264d79d388 to before 5c5f1f64681cc889d9b13e4a61285e9e029d6ab5
Linux
Linux · 6.1
Linux
Component: Not specified by the source
File: net/bluetooth/hci_event.c
Attack conditions (Source advisory, CVSS 3.1): Adjacent network · No privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.6/10) 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.
- Product
- azl3 kernel 6.6.112.1-2 on Azure Linux 3.0
- CCR priority
- 30.5 /100 (P4)
- CVSS 3.1
- 7.6 /10 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H · Source advisory
- EPSS
- 0.00271 · percentile 0.17884 · 2026-10-13
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-14 05:24:14.258005+00:00 UTC
- Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
- 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-2025-40301.html