What is CVE-2025-71269?

CVE-2025-71269 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. btrfs: do not free data reservation in fallback from inline due to -ENOSPC

Which CVE IDs does CVE-2025-71269 cover?

CVE-2025-71269 covers the following CVE IDs: CVE-2025-71269. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-71269?

CVE-2025-71269 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-71269?

CVE-2025-71269 affects 2 products, including: azl3 kernel 6.6.126.1-1 on Azure Linux 3.0; azl3 kernel 6.6.130.1-3 on Azure Linux 3.0.

CVE-2025-71269MediumCVSS 5.5

btrfs: do not free data reservation in fallback from inline due to -ENOSPC

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-71269 →

🎯 Affected products2

azl3 kernel 6.6.126.1-1 on Azure Linux 3.0
azl3 kernel 6.6.130.1-3 on Azure Linux 3.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 6.6.134.1-2

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-71269
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade