MEDIUM 5.5 Microsoft

CVE-2023-0459

Copy_from_user Spectre-V1 Gadget in Linux Kernel

Microsoft Security Update 2023-May: Copy_from_user Spectre-V1 Gadget in Linux Kernel

Affected Products

cm1 kernel 5.10.181.1-1 on CBL Mariner 1.0
cbl2 kernel 5.15.116.1-1 on CBL Mariner 2.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-0459
https://nvd.nist.gov/vuln/detail/CVE-2023-0459

Published: 2023-05-09 · Source: Microsoft · Feed updated: 2026-09-03

This medium severity vulnerability with a CVSS score of 5.5 was published on 2023-05-09 via Microsoft. Affected: cm1 kernel 5.10.181.1-1 on CBL Mariner 1.0, cbl2 kernel 5.15.116.1-1 on CBL Mariner 2.0.

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