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CVE-2026-68417: RDMA/siw: publish QP after initialization

lowCVSS 2.5CVE-2026-68417

CSIRTS triage

vendor: Linuxproduct: Linux KernelMemory corruption
What
RDMA siw driver publishes queue pair after initialization, creating a race condition.
Who is affected
Systems using Software iWARP RDMA driver for network operations.
Urgency
Low severity (CVSS 2.5); race condition with limited impact; standard patch cycle acceptable.
Action
Update to a patched Linux kernel version addressing CVE-2026-68417.

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
low — CVSS 2.5
Published
2026-08-11
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68417

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-2026-68417coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

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