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CVE-2026-46325: RDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE

mediumCVSS 6.1CVE-2026-46325

CSIRTS triage

Other
What
The RDMA/rxe module has an issue with iova-to-va conversion for MR page sizes not equal to PAGE_SIZE.
Who is affected
Deployments using RDMA/rxe for remote direct memory access.
Urgency
Remediation is medium urgency due to the moderate severity and lack of reported exploitation.
Action
Update the RDMA/rxe module to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 6.1
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-46325

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-46325coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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