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P4

CVE-2026-89443: Linux 6.4

CVE-2026-89443. CVSS 3.1 base score 7.1 (HIGH, Source advisory). EPSS 0.00163 (percentile 0.05177), scored 17-Oct-2026.

Affected technology

Linux · ea009e4769fa3bd05d4c111c3b6865eb3a9be829 to before beb22ebf76c0415f22d2d0c3f1ff0627e7ae4a68, ea009e4769fa3bd05d4c111c3b6865eb3a9be829 to before 1a8bab5ceee1a42a78de12d3d69f67516a20588e, ea009e4769fa3bd05d4c111c3b6865eb3a9be829 to before 1889a9156553f0692acd57caf15e877baace1a01, ea009e4769fa3bd05d4c111c3b6865eb3a9be829 to before d19385624bdfb577db9c94bb8879992fd5e17bcd, ea009e4769fa3bd05d4c111c3b6865eb3a9be829 to before 80e0d353c86a9a168ad6d213f494796294381538
Linux

Linux · 6.4
Linux

Component: Not specified by the source
File: drivers/platform/x86/intel/speed_select_if/isst_tpmi_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 7.1/10) rates confidentiality and availability impact as high; integrity impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CCR priority
28.4 /100 (P4)
CVSS 3.1
7.1 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H · Source advisory
EPSS
0.00163 · percentile 0.05177 · 2026-10-17
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-89443.html