What is CVE-2025-68211?

CVE-2025-68211 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. ksm: use range-walk function to jump over holes in scan_get_next_rmap_item

Which CVE IDs does CVE-2025-68211 cover?

CVE-2025-68211 covers the following CVE IDs: CVE-2025-68211. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-68211?

CVE-2025-68211 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2025-68211?

CVE-2025-68211 affects 4 products, including: azl3 kernel 6.6.117.1-1 on Azure Linux 3.0; azl3 kernel 6.6.119.3-1 on Azure Linux 3.0; azl3 kernel 6.6.119.3-3 on Azure Linux 3.0; cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0.

CVE-2025-68211MediumCVSS 5.5

ksm: use range-walk function to jump over holes in scan_get_next_rmap_item

Vendor

Microsoft Security Response Center (MSRC)

Published

December 17, 2025

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-68211 →

🎯 Affected products4

azl3 kernel 6.6.117.1-1 on Azure Linux 3.0
azl3 kernel 6.6.119.3-1 on Azure Linux 3.0
azl3 kernel 6.6.119.3-3 on Azure Linux 3.0
cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0

✅ Remediation

KBCBL-Mariner Releases (Security Update) — fixed build 5.15.200.1-1 KBCBL-Mariner Releases (Security Update) — fixed build 6.6.121.1-1

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-68211
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade