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. Reject any clos level or logical CPU number greater than the supported maximum. These are used to calculate MMIO offset.
- Published Sep 11, 2026
- Not yet scored
- 0.2% chance of exploitation in the next 30 days (EPSS)
- A fix is available