HIGH 7.8 Microsoft

CVE-2024-56640

net/smc: fix LGR and link use-after-free issue

Microsoft Security Update 2024-Dec: net/smc: fix LGR and link use-after-free issue

Affected Products

cbl2 kernel 5.15.176.3-1 on CBL Mariner 2.0
azl3 kernel 6.6.76.1-1 on Azure Linux 3.0
cbl2 kernel 5.15.173.1-2 on CBL Mariner 2.0
cbl2 kernel 5.15.173.1-2 on CBL-Mariner 2.0
azl3 kernel 6.6.64.2-9 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-56640
https://nvd.nist.gov/vuln/detail/CVE-2024-56640

Published: 2024-12-10 · Source: Microsoft · Feed updated: 2026-09-28

This high severity vulnerability with a CVSS score of 7.8 was published on 2024-12-10 via Microsoft. Affected: cbl2 kernel 5.15.176.3-1 on CBL Mariner 2.0, azl3 kernel 6.6.76.1-1 on Azure Linux 3.0, cbl2 kernel 5.15.173.1-2 on CBL Mariner 2.0 and 2 more.

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