What is CVE-2025-21881?

CVE-2025-21881 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. uprobes: Reject the shared zeropage in uprobe_write_opcode()

Which CVE IDs does CVE-2025-21881 cover?

CVE-2025-21881 covers the following CVE IDs: CVE-2025-21881. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-21881?

CVE-2025-21881 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

CVE-2025-21881MediumCVSS 5.5

uprobes: Reject the shared zeropage in uprobe_write_opcode()

Vendor

Microsoft Security Response Center (MSRC)

Published

July 11, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-21881 →