What is CVE-2025-40253?

CVE-2025-40253 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. s390/ctcm: Fix double-kfree

Which CVE IDs does CVE-2025-40253 cover?

CVE-2025-40253 covers the following CVE IDs: CVE-2025-40253. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2025-40253 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

CVE-2025-40253 affects 1 product, including: azl3 kernel 6.6.112.1-2 on Azure Linux 3.0.

CVE-2025-40253MediumCVSS 5.5

Vendor

Published

December 6, 2025

Last Modified

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