What is CVE-2025-21855?

CVE-2025-21855 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. ibmvnic: Don't reference skb after sending to VIOS

Which CVE IDs does CVE-2025-21855 cover?

CVE-2025-21855 covers the following CVE IDs: CVE-2025-21855. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-21855?

CVE-2025-21855 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

CVE-2025-21855HighCVSS 7.8

ibmvnic: Don't reference skb after sending to VIOS

Vendor

Microsoft Security Response Center (MSRC)

Published

July 11, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-21855 →