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CVE-2024-53094: RDMA/siw: Add sendpage_ok() check to disable MSG_SPLICE_PAGES

mediumCVSS 5.5CVE-2024-53094

CSIRTS triage

vendor: Linuxproduct: Linux KernelMemory corruption
What
An unsafe sendpage operation in RDMA/siw network subsystem can trigger memory corruption when MSG_SPLICE_PAGES is used without proper validation.
Who is affected
Systems using RDMA over Sockets iWARP protocol with certain network configurations.
Urgency
Moderate urgency; CVSS 5.5 suggests kernel update needed to prevent memory issues.
Action
Update Linux kernel to include sendpage_ok() validation in RDMA/siw code path.

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

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 5.5
Published
2026-08-06
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-53094

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-2024-53094coverage & exploitation statusNVD · CVE.org

Recent advisories for RDMA/siw

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Microsoft Security Response Center