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CVE-2026-89656: Linux 4.11
CVE-2026-89656 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00514 (percentile 0.42436), scored 15-Oct-2026.
Affected technology
Linux · 66a0e2d579dbec5c676cfe446234ffebb267c564 to before ee59040d6ed1a5f8d10d27174b8f32c90ca8e89a, 66a0e2d579dbec5c676cfe446234ffebb267c564 to before baad5875fdd2f5e248250fc3519bb045d64f1716, 66a0e2d579dbec5c676cfe446234ffebb267c564 to before 4aeb93daadf388e72073abc204312dd364eeb30a, 66a0e2d579dbec5c676cfe446234ffebb267c564 to before 6e5c6ce252b1eccfd41670a5cf95ab44f7ba7022, 66a0e2d579dbec5c676cfe446234ffebb267c564 to before 3516a4131c4e45d62ee4e42e82c36930e8c1fbbd, 66a0e2d579dbec5c676cfe446234ffebb267c564 to before 00562ccd4e88d092b9b851df50fad20442bfeb24, 66a0e2d579dbec5c676cfe446234ffebb267c564 to before 79900d978158b2d80eef952fc41b9e4dc58d7b83, 66a0e2d579dbec5c676cfe446234ffebb267c564 to before 3cde4a8302301679937474a5f7a851394cc1bd11
Linux
Linux · 4.11
Linux
Component: Not specified by the source
File: net/ceph/osdmap.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.
- 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
- 0.00514 · percentile 0.42436 · 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-2026-89656.html