Security Advisory

CVE-2026-89438

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-11 19:43:08

Last updated 2026-09-11 19:43:08

Assigner Linux

CVSS score not scored

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Validate logical CPU id and clos id Validate max CLOS ID and logical CPU ID for core power feature. Reject any clos level or logical CPU number greater than the supported maximum. These are used to calculate MMIO offset.

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