UNKNOWN NVD
CVE-2026-89438
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 C
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.
References
- https://git.kernel.org/stable/c/124e2dbabe460c2a6e7440f4ad8af560131295c9
- https://git.kernel.org/stable/c/5b032e1dda486ca41d10536bd195bd8a559af1e2
- https://git.kernel.org/stable/c/82d4afadb02fb4d7d7bb9230900904c10e49ec87
- https://git.kernel.org/stable/c/c9ee2770eb95ba316a56d776b2b66666b70c194b
This unknown severity vulnerability was published on 2026-09-11 via NVD.
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