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CVE-2025-58356— Constellation allows insecure use of LUKS2 persistent storage partitions

Quick assessment

Affected
edgelesssys constellation
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Always Encrypted Kubernetes是Edgeless Systems开源的一个容器加密软件。 Always Encrypted Kubernetes 2.24.0之前版本存在数据伪造问题漏洞，该漏洞源于不安全处理空密钥槽算法，可能导致未加密存储卷。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.11% · P1
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I. Basic Information for CVE-2025-58356

Vulnerability Information
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Vulnerability Title
Constellation allows insecure use of LUKS2 persistent storage partitions
Source: CVE Program / CVE List V5
Vulnerability Description
Constellation is the first Confidential Kubernetes. The Constellation CVM image uses LUKS2-encrypted volumes for persistent storage. When opening an encrypted storage device, the CVM uses the libcryptsetup function crypt_activate_by_passhrase. If the VM is successful in opening the partition with the disk encryption key, it treats the volume as confidential. However, due to the unsafe handling of null keyslot algorithms in the cryptsetup 2.8.1, it is possible that the opened volume is not encrypted at all. Cryptsetup prior to version 2.8.1 does not report an error when processing LUKS2-formatted disks that use the cipher_null-ecb algorithm in the keyslot encryption field. This vulnerability is fixed in 2.24.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Always Encrypted Kubernetes 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Always Encrypted Kubernetes是Edgeless Systems开源的一个容器加密软件。 Always Encrypted Kubernetes 2.24.0之前版本存在数据伪造问题漏洞，该漏洞源于不安全处理空密钥槽算法，可能导致未加密存储卷。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
edgelesssys constellation < 2.24.0 -

II. Public POCs for CVE-2025-58356

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III. Intelligence Information for CVE-2025-58356

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Patches & Fixes for CVE-2025-58356 (1)

Vendor Advisories for CVE-2025-58356 (1)

Vendor Pages for CVE-2025-58356 (1)

IV. Related Vulnerabilities

Same vendor: edgelesssys
Same weakness: CWE-347

V. Comments for CVE-2025-58356

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