CVE-2026-89438
Last modified
CVE-2026-89438 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
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
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 12a7d2cb811dd8a884dea088a2701fcb8d00136e, < 0d601126c7afda9bb94dfecc8b2c0a16f20d76cb; >= 12a7d2cb811dd8a884dea088a2701fcb8d00136e, < c9ee2770eb95ba316a56d776b2b66666b70c194b; >= 12a7d2cb811dd8a884dea088a2701fcb8d00136e, < 5b032e1dda486ca41d10536bd195bd8a559af1e2; >= 12a7d2cb811dd8a884dea088a2701fcb8d00136e, < 82d4afadb02fb4d7d7bb9230900904c10e49ec87; >= 12a7d2cb811dd8a884dea088a2701fcb8d00136e, < 124e2dbabe460c2a6e7440f4ad8af560131295c9 |
| Linux | Linux | 6.4 |
References
Timeline
- Published
- Last Modified
- Status
- Received
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