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CVE-2026-89657: Linux 6.6
CVE-2026-89657 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00612 (percentile 0.48239), scored 17-Oct-2026.
Affected technology
Linux · f628d799972799023d32c2542bb2639eb8c4f84e to before 94ae5145c520618802b0a24c047dcd5f05835db8, f628d799972799023d32c2542bb2639eb8c4f84e to before 058ffa81f9440c5b4714685611cf697fd3739ec9, f628d799972799023d32c2542bb2639eb8c4f84e to before 2571b35883268a266554e80d368e67fdfea7fb9d, f628d799972799023d32c2542bb2639eb8c4f84e to before 201db408872ca12cf09e36bf0f560138c3dcfa1c, f628d799972799023d32c2542bb2639eb8c4f84e to before 9ec08b7499a62c6d4afa93d36ab47a43fcad57d1
Linux
Linux · 6.6
Linux
Component: Not specified by the source
File: net/ceph/osd_client.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 6.6.150.1-1 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
- 0.00612 · percentile 0.48239 · 2026-10-17
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-18 12:55:59.341568+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-2026-89657.html