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CVE-2026-89442: Linux 6.4
CVE-2026-89442. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00168 (percentile 0.05689), scored 17-Oct-2026.
Affected technology
Linux · 12a7d2cb811dd8a884dea088a2701fcb8d00136e to before c847ea4851ecfa3462cc711ded2c3c3dd8d08ab8, 12a7d2cb811dd8a884dea088a2701fcb8d00136e to before 0d90ab5f80e19cddfeb0c9fab47a1f34aa932075, 12a7d2cb811dd8a884dea088a2701fcb8d00136e to before 82e707eff9e3b7ef6d96ecc23ea8876d20c7d6ca, 12a7d2cb811dd8a884dea088a2701fcb8d00136e to before 207b4dc6eb100141b122b2602504a1429a4b6558, 12a7d2cb811dd8a884dea088a2701fcb8d00136e to before a89f07db0cb95c54dac4a8406c79a04e44a73c3c
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 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 31.2 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00168 · percentile 0.05689 · 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-2026-89442.html