MEDIUM 5.5 Microsoft
CVE-2025-40040
mm/ksm: fix flag-dropping behavior in ksm_madvise
Microsoft Security Update 2025-Oct: mm/ksm: fix flag-dropping behavior in ksm_madvise
Affected Products
- azl3 kernel 6.6.112.1-2 on Azure Linux 3.0
- cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0
- azl3 kernel 6.6.104.2-4 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-40040
- https://nvd.nist.gov/vuln/detail/CVE-2025-40040
This medium severity vulnerability with a CVSS score of 5.5 was published on 2025-10-14 via Microsoft. Affected: azl3 kernel 6.6.112.1-2 on Azure Linux 3.0, cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0, azl3 kernel 6.6.104.2-4 on Azure Linux 3.0.
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