USN-8758-1: dracut vulnerability
Publication date
14 September 2026
Overview
Several security issues were fixed in dracut.
Releases
Packages
- dracut - Initramfs image generation tool
Details
It was discovered that dracut did not properly shell-quote messages
written by the die() function to the emergency hook directory. An
attacker on the adjacent network controlling a rogue DHCP server could
use this issue to inject commands that execute as root during
boot-failure handling. (CVE-2026-15816)
It was discovered that dracut did not properly shell-quote messages
written by the die() function to the emergency hook directory. An
attacker on the adjacent network controlling a rogue DHCP server could
use this issue to inject commands that execute as root during
boot-failure handling. (CVE-2026-15816)
Update instructions
After a standard system update you need to reboot your computer to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 26.04 LTS resolute | dracut-core – 110-11ubuntu0.1 | ||
| dracut-network – 110-11ubuntu0.1 | |||
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