HIGH 7.1 Microsoft
CVE-2023-53254
cacheinfo: Fix shared_cpu_map to handle shared caches at different levels
Microsoft Security Update 2025-Sep: cacheinfo: Fix shared_cpu_map to handle shared caches at different levels
Affected Products
- cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0
- cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
- cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-53254
- https://nvd.nist.gov/vuln/detail/CVE-2023-53254
This high severity vulnerability with a CVSS score of 7.1 was published on 2025-09-09 via Microsoft. Affected: cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0, cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0, cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0.
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