What is CVE-2025-40261?

CVE-2025-40261 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. nvme: nvme-fc: Ensure -\u003eioerr_work is cancelled in nvme_fc_delete_ctrl()

Which CVE IDs does CVE-2025-40261 cover?

CVE-2025-40261 covers the following CVE IDs: CVE-2025-40261. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-40261?

CVE-2025-40261 has a CVSS v3 base score of 6.6, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-40261?

CVE-2025-40261 affects 2 products, including: azl3 kernel 6.6.112.1-2 on Azure Linux 3.0; azl3 kernel 6.6.117.1-1 on Azure Linux 3.0.

CVE-2025-40261MediumCVSS 6.6

nvme: nvme-fc: Ensure ->ioerr_work is cancelled in nvme_fc_delete_ctrl()

Vendor

Microsoft Security Response Center (MSRC)

Published

December 6, 2025

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-40261 →

🎯 Affected products2

azl3 kernel 6.6.112.1-2 on Azure Linux 3.0
azl3 kernel 6.6.117.1-1 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 6.6.119.3-1

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-40261
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade