MEDIUM 5.5 Microsoft
CVE-2025-39886
bpf: Tell memcg to use allow_spinning=false path in bpf_timer_init()
Microsoft Security Update 2025-Sep: bpf: Tell memcg to use allow_spinning=false path in bpf_timer_init()
Affected Products
- azl3 kernel 6.6.96.2-2 on Azure Linux 3.0
- azl3 kernel 6.6.104.2-4 on Azure Linux 3.0
- cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
- cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
- cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-39886
- https://nvd.nist.gov/vuln/detail/CVE-2025-39886
This medium severity vulnerability with a CVSS score of 5.5 was published on 2025-09-09 via Microsoft. Affected: azl3 kernel 6.6.96.2-2 on Azure Linux 3.0, azl3 kernel 6.6.104.2-4 on Azure Linux 3.0, cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0 and 2 more.
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