UNKNOWN Microsoft
CVE-2025-31133
runc container escape via "masked path" abuse due to mount race conditions
Microsoft Security Update 2025-Nov: runc container escape via "masked path" abuse due to mount race conditions
Affected Products
- cbl2 moby-runc 1.1.9-9 on CBL Mariner 2.0
- cbl2 kubernetes 1.28.4-19 on CBL Mariner 2.0
- azl3 kubernetes 1.30.10-14 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-31133
- https://nvd.nist.gov/vuln/detail/CVE-2025-31133
This unknown severity vulnerability was published on 2025-11-11 via Microsoft. Affected: cbl2 moby-runc 1.1.9-9 on CBL Mariner 2.0, cbl2 kubernetes 1.28.4-19 on CBL Mariner 2.0, azl3 kubernetes 1.30.10-14 on Azure Linux 3.0.
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