CVE-2026-90308: Linux 6.0

CVE-2026-90308 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00163 (percentile 0.05163), scored 17-Oct-2026.

Affected technology

Linux · 155055771704f8cbb5c176a4309b7dc30a50450c to before 6e32f84b63c054e09392153125d7202abab2d14b, 155055771704f8cbb5c176a4309b7dc30a50450c to before ec987c0654651036dad6a42f7fa2a6d7c16a3687, 155055771704f8cbb5c176a4309b7dc30a50450c to before c92686867638cda954fdb2bdbac8a75e3aa6eaae, 155055771704f8cbb5c176a4309b7dc30a50450c to before a52eeff32024f190b3bdc99088c7becccd4fa60b
Linux

Linux · 6.0
Linux

Component: Not specified by the source
File: drivers/infiniband/hw/erdma/erdma_cm.c, drivers/infiniband/hw/erdma/erdma_eq.c, drivers/infiniband/hw/erdma/erdma_verbs.c, drivers/infiniband/hw/erdma/erdma_verbs.h

Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 19-Oct-2026 10:36 UTC

Product: azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
CCR priority: 31.2 /100 (P4)
CVSS 3.1: 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS: 0.00163 · percentile 0.05163 · 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-2026-90308.html