CVE-2025-71202: iommu/sva: invalidate stale IOTLB entries for kernel address space
CSIRTS triage
- What
- The IOMMU SVA subsystem fails to invalidate stale IOTLB entries for kernel address space, potentially allowing information disclosure.
- Who is affected
- Linux systems with IOMMU SVA enabled.
- Urgency
- Medium severity; not currently exploited but affects kernel memory isolation.
- Action
- Apply kernel patch invalidating IOTLB entries on address space changes.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-71202
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2025-712020.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-71202 | coverage & exploitation status | NVD · CVE.org |
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