CRITICAL 9.8 Microsoft

CVE-2025-40251

devlink: rate: Unset parent pointer in devl_rate_nodes_destroy

Microsoft Security Update 2025-Dec: devlink: rate: Unset parent pointer in devl_rate_nodes_destroy

Affected Products

azl3 kernel 6.6.112.1-2 on Azure Linux 3.0
cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.202.1-1
azl3 kernel 6.6.117.1-1 on Azure Linux 3.0
cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.202.1-1 on CBL-Mariner 2.0

References

Published: 2025-12-09 · Source: Microsoft · Feed updated: 2026-11-08

This critical severity vulnerability with a CVSS score of 9.8 was published on 2025-12-09 via Microsoft. Affected: azl3 kernel 6.6.112.1-2 on Azure Linux 3.0, cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0, cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0 and 4 more.

Risk Timeline

CVE Disclosed2025-12-09 · 334 days ago

Remediation Resources

Official Advisory

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-40251

NVD / MITRE

nvd.nist.gov/vuln/detail/CVE-2025-40251

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