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VULNERABILITIES

CVE-2026-89438 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/0d601126c7afda9bb94dfecc8b2c0a16f20d76cb kernel.org
https://git.kernel.org/stable/c/124e2dbabe460c2a6e7440f4ad8af560131295c9 kernel.org
https://git.kernel.org/stable/c/5b032e1dda486ca41d10536bd195bd8a559af1e2 kernel.org
https://git.kernel.org/stable/c/82d4afadb02fb4d7d7bb9230900904c10e49ec87 kernel.org
https://git.kernel.org/stable/c/c9ee2770eb95ba316a56d776b2b66666b70c194b kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-89438
NVD Published Date:
Sep 11, 2026
NVD Last Modified:
Sep 14, 2026
Source:
kernel.org
CVE-2026-89438 Details - Not Deferred