CVE-2026-89659: Linux 3.10

CVE-2026-89659 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00444 (percentile 0.37121), scored 15-Oct-2026.

Affected technology

Linux · 3bd64a5ba1719c2bb6cba4493dfd3e23a7653e54 to before 0dd276b1324a5e08e83c6f675919946c9f0d61c9, 3bd64a5ba1719c2bb6cba4493dfd3e23a7653e54 to before 3c0a53ee0b442348d8d2286d6960d3f07bb3a3d3, 3bd64a5ba1719c2bb6cba4493dfd3e23a7653e54 to before 2a9d637c2a8fd8ac29ad9b29f28d122ef75c1a56, 3bd64a5ba1719c2bb6cba4493dfd3e23a7653e54 to before 4683ca76b3b7e5808338491c6eb3c20e6b4894d5
Linux

Linux · 3.10
Linux

Component: Not specified by the source
File: fs/nfsd/netns.h, fs/nfsd/nfs4state.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 9.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 16-Oct-2026 20:21 UTC

Product: azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
CCR priority: 39.3 /100 (P4)
CVSS 3.1: 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS: 0.00444 · percentile 0.37121 · 2026-10-15
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-16 09:43:43.583708+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 2026-10-16 20:20:42.059737+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-89659.html