CVE-2026-89521: Linux 6.19

CVE-2026-89521. CVSS 3.1 base score 7.3 (HIGH, Source advisory). EPSS 0.00153 (percentile 0.03994), scored 17-Oct-2026.

Affected technology

Linux · 4c95380701f58b8112f0b891de8d160e4199e19d to before 88ed5a66467ca2a5148b9997af9c71d8c43060ad, 4c95380701f58b8112f0b891de8d160e4199e19d to before c10b216a072ff5c57bc880a05f87eb519aecc529
Linux

Linux · 6.19
Linux

Component: Not specified by the source
File: kernel/sched/core.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 7.3/10) rates confidentiality and availability impact as high; integrity impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 19-Oct-2026 10:36 UTC

CCR priority: 29.2 /100 (P4)
CVSS 3.1: 7.3 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H · Source advisory
EPSS: 0.00153 · percentile 0.03994 · 2026-10-17
KEV: no

Provenance

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-2026-89521.html