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CVE-2025-40303: Linux 3.10
CVE-2025-40303 affects azl3 kernel 6.6.112.1-2 on Azure Linux 3.0. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00138 (percentile 0.02818), scored 13-Oct-2026.
Affected technology
Linux · 13e6c37b989859e70b0d73d3f2cb0aa022159b17 to before 066ee13f05fbd82ada01883e51f0695172f98dff, 13e6c37b989859e70b0d73d3f2cb0aa022159b17 to before e2b3859067bf012d53c49b3f885fef40624a2c83, 13e6c37b989859e70b0d73d3f2cb0aa022159b17 to before 54a5b5a15588e3b0b294df31474d08a2678d4291, 13e6c37b989859e70b0d73d3f2cb0aa022159b17 to before 2618849f31e7cf51fadd4a5242458501a6d5b315
Linux
Linux · 3.10
Linux
Component: Not specified by the source
File: fs/btrfs/extent_io.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.
- Product
- azl3 kernel 6.6.112.1-2 on Azure Linux 3.0
- 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
- 0.00138 · percentile 0.02818 · 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-2025-40303.html