P4Verified

CVE-2026-90023: Linux 4.8

CVE-2026-90023 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 5.5 (Microsoft Security Response Center). EPSS 0.00219 (percentile 0.11283), 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 · fe5a6c48fd954489f51aab151d5dad9254c76419 to before 51cc9af4f2d3f0b765266aced66b9b532b423b13, fe5a6c48fd954489f51aab151d5dad9254c76419 to before 9e8dd2a7a8ccbb756771ad985b0ad3387ed3c957, fe5a6c48fd954489f51aab151d5dad9254c76419 to before b9b5b5df5b8dd3c1572ed267200276a44cc67d8e, fe5a6c48fd954489f51aab151d5dad9254c76419 to before 2c0f5ca48674a5b5f9fa4a9c3325aa48053af0bc
Linux

Linux · 4.8
Linux

Component: Not specified by the source
File: drivers/usb/gadget/function/f_mass_storage.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.

Published 12-Oct-2026 00:35 UTC

Product: azl3 kernel 6.6.150.1-1 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: 0.00219 · percentile 0.11391 · 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-2026-90023.html