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CVE-2026-90109: Linux 4.2
CVE-2026-90109 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 0.002 (percentile 0.09309), scored 20-Oct-2026.
Affected technology
Linux · a3eb95f891d6130b1fc03dd07a8b54cf0a5c8ab8 to before c5ca77024812563fe15c4f7aa906791c3683e9fd, a3eb95f891d6130b1fc03dd07a8b54cf0a5c8ab8 to before 3fb51b3960342bbee563543f8d33710fd0fb5a96, a3eb95f891d6130b1fc03dd07a8b54cf0a5c8ab8 to before 8b2d8c70b969bf84f9e248bfaf2a7135129f2eb6, a3eb95f891d6130b1fc03dd07a8b54cf0a5c8ab8 to before d98b92f3d57976ae185238946ec5ea0be32195aa, a3eb95f891d6130b1fc03dd07a8b54cf0a5c8ab8 to before 4c660ee8c809637909f4f7eb1017f7b9401c75c4
Linux
Linux · 4.2
Linux
Component: Not specified by the source
File: net/sched/sch_fifo.c, net/sched/sch_gred.c, net/sched/sch_plug.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
- 0.002 · percentile 0.09309 · 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-2026-90109.html