iommu/amd: serialize sequence allocation under concurrent TLB invalidations
CVE-2026-43220 is a vulnerability related to the iommu/amd component in Microsoft software version 3.0. It involves the need to serialize sequence allocation during concurrent TLB invalidations. No CVSS score or detailed technical exploitation information is provided.
AI Analysis
Technical Summary
This vulnerability concerns the iommu/amd subsystem in Microsoft software, specifically version 3.0, where sequence allocation is not properly serialized under concurrent Translation Lookaside Buffer (TLB) invalidations. The lack of serialization could potentially lead to race conditions or inconsistent states during memory management operations. No further technical details or exploitation methods are described in the available data.
Potential Impact
The impact details are not explicitly provided. Without additional information or a CVSS score, the precise consequences of this vulnerability remain unclear. There are no known exploits in the wild reported at this time.
Mitigation Recommendations
No patch or remediation information is provided. Patch status is not yet confirmed — check the Microsoft Security Response Center advisory (msrc_CVE-2026-43220) for current remediation guidance.
iommu/amd: serialize sequence allocation under concurrent TLB invalidations
Description
CVE-2026-43220 is a vulnerability related to the iommu/amd component in Microsoft software version 3.0. It involves the need to serialize sequence allocation during concurrent TLB invalidations. No CVSS score or detailed technical exploitation information is provided.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability concerns the iommu/amd subsystem in Microsoft software, specifically version 3.0, where sequence allocation is not properly serialized under concurrent Translation Lookaside Buffer (TLB) invalidations. The lack of serialization could potentially lead to race conditions or inconsistent states during memory management operations. No further technical details or exploitation methods are described in the available data.
Potential Impact
The impact details are not explicitly provided. Without additional information or a CVSS score, the precise consequences of this vulnerability remain unclear. There are no known exploits in the wild reported at this time.
Mitigation Recommendations
No patch or remediation information is provided. Patch status is not yet confirmed — check the Microsoft Security Response Center advisory (msrc_CVE-2026-43220) for current remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-43220
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a3c0d23eed863c81e23eb97
Added to database: 06/24/2026, 17:00:19 UTC
Last enriched: 06/24/2026, 17:17:59 UTC
Last updated: 07/31/2026, 15:39:55 UTC
Views: 14
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.