CVE-2025-32438— Local privilege escalation in make-initrd-ng
Quick assessment
Affected
NixOS nixpkgs
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.
Nixpkgs是NixOS开源的一个 100000 多个软件包的集合。可以使用 Nix 包管理器安装。 Nixpkgs存在安全漏洞，该漏洞源于本地用户可以在关机时执行root权限的程序。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1546 · Event Triggered Execution
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I. Basic Information for CVE-2025-32438
Vulnerability Information
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Vulnerability Title
Local privilege escalation in make-initrd-ng
Source: CVE Program / CVE List V5
Vulnerability Description
make-initrd-ng is a tool for copying binaries and their dependencies. Local privilege escalation affecting all NixOS users. With systemd.shutdownRamfs.enable enabled (the default) a local user is able to create a program that will be executed by root during shutdown. Patches exist for NixOS 24.11 and 25.05 / unstable. As a workaround, set systemd.shutdownRamfs.enable = false;.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
创建拥有不安全权限的临时文件
Source: CVE Program / CVE List V5
Vulnerability Title
Nixpkgs 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nixpkgs是NixOS开源的一个 100000 多个软件包的集合。可以使用 Nix 包管理器安装。 Nixpkgs存在安全漏洞，该漏洞源于本地用户可以在关机时执行root权限的程序。
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
II. Public POCs for CVE-2025-32438
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Patches & Fixes for CVE-2025-32438 (2)
Vendor Advisories for CVE-2025-32438 (1)
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Local privilege escalation in make-initrd-ng · Advisory · NixOS/nixpkgs · GitHub x_refsource_CONFIRM
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V. Comments for CVE-2025-32438
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