MEDIUM 5.5 Microsoft
CVE-2023-52920
bpf: support non-r10 register spill/fill to/from stack in precision tracking
Microsoft Security Update 2026-Aug: bpf: support non-r10 register spill/fill to/from stack in precision tracking
Affected Products
- cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
- cbl2 kernel 5.15.202.1-1
- azl3 kernel 6.6.64.2-9 on Azure Linux 3.0
- cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0
- azl3 kernel 6.6.92.2-1 on Azure Linux 3.0
- cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-52920
- https://nvd.nist.gov/vuln/detail/CVE-2023-52920
This medium severity vulnerability with a CVSS score of 5.5 was published on 2026-08-06 via Microsoft. Affected: cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0, cbl2 kernel 5.15.202.1-1, azl3 kernel 6.6.64.2-9 on Azure Linux 3.0 and 3 more.
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