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CVE-2026-97523: Linux 6.0
CVE-2026-97523. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00603 (percentile 0.47009), scored 03-Oct-2026.
Affected technology
Linux · fb9c73ef2ac2ec816efdc8b9267bc04e1369c20b to before d74b2e26b54a7dae1d87c1f19ae0d6db500e5e03, c886d70286bf3ad411eb3d689328a67f7102c6ae to before 5883ae880f51edc4b1484e787473b865b6159ead, c886d70286bf3ad411eb3d689328a67f7102c6ae to before 0a926b5df8efdfbac07e2fb7fafb21849a2ad9c0, c886d70286bf3ad411eb3d689328a67f7102c6ae to before 8f11430d51ff8365bc51b670bc3002b65ae4c6b7, c886d70286bf3ad411eb3d689328a67f7102c6ae to before a09c87abf10a0a7e203137c75b5381aa63d9b31d, c886d70286bf3ad411eb3d689328a67f7102c6ae to before 4c856f3c151a2f3fa237caa651c44015916ca584, c886d70286bf3ad411eb3d689328a67f7102c6ae to before 42064de57fb83231fcc89663a94885f228a1ee53, 8caf5c15b5288d52d9c89374d6c10fa32ee84ec5, 5.15.190 to before 5.15.222, 5.19.4 to before 5.20
Linux
Linux · 6.0
Linux
Component: Not specified by the source
File: net/mptcp/protocol.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 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- Product
- azl3 kernel 6.6.157.1-1 on Azure Linux 3.0
- CCR priority
- 30.2 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Source advisory
- EPSS
- 0.0067 · percentile 0.51015 · 2026-10-17
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-18 12:55:59.341568+00:00 UTC
- GitHub Advisory Database · Source record · observed 2026-10-04 06:01:24.332572+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 2026-10-19 10:33:46.008150+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-97523.html