CVE WatchAug 7, 2026

CVE-2026-15816

A flaw was found in dracut. The die() error-handling function writes its message into a shell script under the initramfs emergency-hook dire

CVSS

7.5

High

EPSS

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KEV

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Exploit Today

0-100

Published: Aug 7, 2026 · Last modified: Aug 7, 2026 · CWE-78

EPSS · 30d

Not enough EPSS history yet.

Technical description

A flaw was found in dracut. The die() error-handling function writes its message into a shell script under the initramfs emergency-hook directory without properly shell-quoting it. When the message contains data derived from the DHCP ROOT_PATH option, an attacker on the adjacent network who controls a rogue DHCP server can inject a command-substitution sequence that executes as root the next time dracut sources its emergency hook scripts during standard boot-failure handling.

Official references

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