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CVE-2026-90166: Linux 5.15
CVE-2026-90166 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 0.00209 (percentile 0.10424), scored 20-Oct-2026.
Affected technology
Linux · e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 5ffd180307a5ea34dae7f90ff9573ebed6b7fb12, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 4eb74a34ea401abfbbd5991076715dae3de938df, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 8461f27902727ad434375caf13a0100aafc0340f, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 7065d3648b1a48d2c49da3d6364dd3c4d503b10c, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before d2ccf905f47d2344270749f4dfa905afcd3edeb0
Linux
Linux · 5.15
Linux
Component: Not specified by the source
File: fs/smb/server/mgmt/share_config.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 6.6.150.1-1 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
- 0.00209 · percentile 0.10424 · 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-2026-90166.html