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CVE-2025-40297: Linux 5.18
CVE-2025-40297 affects azl3 kernel 6.6.112.1-2 on Azure Linux 3.0. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00157 (percentile 0.0435), scored 13-Oct-2026.
Affected technology
Linux · ec7328b59176227216c461601c6bd0e922232a9b to before e19085b2a86addccff33ab8536fc67ebd9d52198, ec7328b59176227216c461601c6bd0e922232a9b to before 3b60ce334c1ce8b3fad7e02dcd5ed9f6646477c8, ec7328b59176227216c461601c6bd0e922232a9b to before bf3843183bc3158e5821b46f330c438ae9bd6ddb, ec7328b59176227216c461601c6bd0e922232a9b to before 991fbe1680cd41a5f97c92cd3a3496315df36e4b, ec7328b59176227216c461601c6bd0e922232a9b to before 8dca36978aa80bab9d4da130c211db75c9e00048
Linux
Linux · 5.18
Linux
Component: Not specified by the source
File: net/bridge/br_forward.c, net/bridge/br_input.c, net/bridge/br_private.h
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
- 0.00157 · percentile 0.0435 · 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-2025-40297.html