VulnerabilityReceived

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 CPU ID for core power feature.

UnscoredEPSS 0.20%

Does this matter?

Not yet scored. NVD analysis is pending; check back once CVSS and EPSS values are 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.

CVSS: Not yet scored
EPSS: 0.20% probability · 10th percentile
CISA KEV: Not listed
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.