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CVE-2026-89920: Linux 4.13
CVE-2026-89920 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00173 (percentile 0.06348), scored 20-Oct-2026.
Affected technology
Linux · 4d62fcc0b692e3b4058d7d138114c27cd8b011f7 to before 5c63e2ed840c85e27172ab78e7db3ac77fba281b, 4d62fcc0b692e3b4058d7d138114c27cd8b011f7 to before b7631982fb65dd355acd18e62b384bc8125e9c44, 4d62fcc0b692e3b4058d7d138114c27cd8b011f7 to before 6ee52d3af2a1bf70349cf3f860933c8d221e229a, 4d62fcc0b692e3b4058d7d138114c27cd8b011f7 to before 7077ec953996acc04b49d1dfc43df1c1a2a74395, 4d62fcc0b692e3b4058d7d138114c27cd8b011f7 to before 546dde823a36d7283dcf46127c2f3d093443860f
Linux
Linux · 4.13
Linux
Component: Not specified by the source
File: arch/s390/include/asm/nmi.h, arch/s390/kernel/nmi.c, arch/s390/kvm/interrupt.c
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.
- 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:H/PR:L/UI:N/S:C/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00173 · percentile 0.06348 · 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-2026-89920.html