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CVE-2026-89483: Linux 5.5
CVE-2026-89483. CVSS 3.1 base score 7.5 (HIGH, Source advisory). EPSS 0.00571 (percentile 0.45981), scored 15-Oct-2026.
Affected technology
Linux · 530436c45ef2e446c12538a400e465929a0b3ade to before 76139b5bbf531e675934b97227be3521c7fdd537, 530436c45ef2e446c12538a400e465929a0b3ade to before 3f84d2bd0d8ae8c7e8e0f8fc3cbf018a282971a1, 530436c45ef2e446c12538a400e465929a0b3ade to before 415f2772ebcbc7f3f1ab1a71915dab82cee3465e, 530436c45ef2e446c12538a400e465929a0b3ade to before 66b5af23b6f956e57f8205c46aa80b054631be34, 530436c45ef2e446c12538a400e465929a0b3ade to before dc4d4b70a863f7e39ef8bd137634be4e6db8b084, 530436c45ef2e446c12538a400e465929a0b3ade to before 67551d8430df94c827e1830bd3a5fae1f66a5219, 530436c45ef2e446c12538a400e465929a0b3ade to before f5827817b4fc7feeabf4f53fb4b626e6edc52fef, 530436c45ef2e446c12538a400e465929a0b3ade to before bededeaaeff404978a5a8e2a605a6c3017cddd3e, ffa56cbdd2409b522b4cb56461bea1c45889417b, 8b0acb768a06083b0d28bace1481c1f6679e76f4, 4.19.92 to before 4.20, 5.4.7 to before 5.5
Linux
Linux · 5.5
Linux
Component: Not specified by the source
File: drivers/nvme/host/core.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 7.5/10) rates confidentiality impact as high; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 30.1 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · Source advisory
- EPSS
- 0.00571 · percentile 0.45981 · 2026-10-15
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-16 20:20:42.059737+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-89483.html