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Vulnerabilities CVE-2026-16445

CVE-2026-16445

High
Open
TLP:CLEAR

Dracut: dracut: root code execution via dhcp options command injection in networkmanager initrd module

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Description

A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP options, such as a malicious root-path, next-server, or bootfile name, to a system using dracut's NetworkManager-based initrd network module. These options are improperly handled and written into a temporary shell script without proper escaping, leading to command injection. This allows the attacker to achieve root code execution within the initramfs during system boot.

Details

CVSS Score
7.5
CVSS Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
Jul 21, 2026
Last Modified
Aug 18, 2026
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