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CVE-2026-89833: Linux 4.7
CVE-2026-89833 affects azl3 kernel 6.6.152.1-1 on Azure Linux 3.0. CVSS 3.1 base score 5.5 (Microsoft Security Response Center). EPSS 0.00206 (percentile 0.1012), scored 20-Oct-2026.
Affected technology
Linux · 608514deba38c8611ad330d6a3c8e2b9a1f68e4b to before 58ca9f06480457eb9c9513e1ae2b75316d4ed1e5, 608514deba38c8611ad330d6a3c8e2b9a1f68e4b to before bdc06381d590ad5833ee7a2c56b8b685d80ee9b5, 608514deba38c8611ad330d6a3c8e2b9a1f68e4b to before 161513f53e4ac90fd356433bdf8e31e6adeb92af, 608514deba38c8611ad330d6a3c8e2b9a1f68e4b to before 905411f6504876d268ba8dafc8e75367782da4b7, 608514deba38c8611ad330d6a3c8e2b9a1f68e4b to before ce366bfa821ec81dd45bde547ee31e659306cc61
Linux
Linux · 4.7
Linux
Component: Not specified by the source
File: fs/f2fs/node.c
Attack conditions (Microsoft Security Response Center, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
Microsoft Security Response Center’s CVSS 3.1 assessment 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 6.6.152.1-1 on Azure Linux 3.0
- CCR priority
- 22.1 /100 (P4)
- CVSS 3.1
- 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U · Microsoft Security Response Center
- EPSS
- 0.00206 · percentile 0.1012 · 2026-10-20
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-20 16:56:29.772392+00:00 UTC
- GitHub Advisory Database · Source record · observed 2026-10-21 16:14:50.830645+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 2026-10-21 16:09:05.633125+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-89833.html