CVE-2026-89861: Linux 2.6.23

CVE-2026-89861 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 8.1 (msrc). EPSS 0.00571 (percentile 0.45763), scored 13-Oct-2026.

Affected technology

Linux · 2c3dfe3f6ad8daff5acdb01713e4f2b116e78136 to before d09ef32af1e05d79f29b460521a20bc4e6fd2ecf, 2c3dfe3f6ad8daff5acdb01713e4f2b116e78136 to before 4b7f0a95bfeb1d3673da4c29bbe9872a61bc1a69, 2c3dfe3f6ad8daff5acdb01713e4f2b116e78136 to before 267533b28ddf2c9223d30ad7e6960fa9e936428e, 2c3dfe3f6ad8daff5acdb01713e4f2b116e78136 to before f8d2eb510c063a8ca79a5dc766a4303d3925fe83, 2c3dfe3f6ad8daff5acdb01713e4f2b116e78136 to before f6b3bcc7cb2f4c37464958b9fd97dc7f185ea297, 2c3dfe3f6ad8daff5acdb01713e4f2b116e78136 to before 47272152a13d202d98496208f9bf382c1cf4d4fb, 2c3dfe3f6ad8daff5acdb01713e4f2b116e78136 to before d556f899964d184e6cb788f3fa9dcddcafe1ab2d, 2c3dfe3f6ad8daff5acdb01713e4f2b116e78136 to before 793cedee296fd819bfadc2a7ec4d52faf9c09a0a
Linux

Linux · 2.6.23
Linux

Component: Not specified by the source
File: drivers/scsi/qla2xxx/qla_mbx.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 8.1/10) 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: 32.5 /100 (P4)
CVSS 3.1: 8.1 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS: 0.00571 · percentile 0.46108 · 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-2026-89861.html