P4Verified

CVE-2026-89837: Linux 5.11

CVE-2026-89837 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.1 (Microsoft Security Response Center). EPSS 0.00209 (percentile 0.10095), scored 06-Oct-2026. Fixed version: 7.2.6-1. Fixed version: 6.12.112-r0. Fixed version: 6.18.53-r0.

Affected technology

Linux · 7ad08a58bf67594057362e45cbddd3e27e53e557 to before af9cc316d31371824de8d409260a2ab9759dd51c, 7ad08a58bf67594057362e45cbddd3e27e53e557 to before aefb4b0f465b6f95fe02b52d1822a3fb4a9ae922, 7ad08a58bf67594057362e45cbddd3e27e53e557 to before 93a3e6a4c9e726a13a935963e8dc43d181db1527, 7ad08a58bf67594057362e45cbddd3e27e53e557 to before cca7d3e30bf30333314e31bc70b9a739f1342167
Linux

Linux · 5.11
Linux

Component: Not specified by the source
Function: stores
File: fs/f2fs/dir.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 availability impact as high; integrity impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 12-Oct-2026 00:35 UTC

Product: azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
CCR priority: 28.5 /100 (P4)
CVSS 3.1: 7.1 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U · Microsoft Security Response Center
EPSS: 0.00209 · percentile 0.10178 · 2026-10-11
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-11 23:42:05.235979+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 2026-10-04 05:55:03.931280+00:00 UTC
OSV.dev · Source record · observed 2026-10-08 08:57:13.774521+00:00 UTC
OSV.dev · Source record · observed 2026-10-04 13:35:46.972631+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-89837.html