CVE-2026-16445
Last modified
CVE-2026-16445 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.03% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 | All versions |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | All versions |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | All versions |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | All versions |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | All versions |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | All versions |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | All versions |
| Red Hat | Red Hat Hardened Images | All versions |
| Red Hat | Red Hat OpenShift Container Platform 4 | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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