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openSUSE-SU-2026:21054-1

Опубликовано: 24 июн. 2026
Источник: suse-cvrf

Описание

Security update for dracut

This update for dracut fixes the following issue

  • CVE-2026-6893: Root code execution via DHCP options command injection (bsc#1268322).

Changes for dracut:

  • Update to version 059+suse.722.gdd9d67ff5:
  • fix(network-legacy): sanitize DHCP values in dhclient-script.sh (bsc#1268322, CVE-2026-6893)
  • fix(network-legacy): add input validation to RFC 3442 route parser

Список пакетов

openSUSE Leap 16.0
dracut-059+suse.722.gdd9d67ff5-160000.1.1
dracut-extra-059+suse.722.gdd9d67ff5-160000.1.1
dracut-fips-059+suse.722.gdd9d67ff5-160000.1.1
dracut-ima-059+suse.722.gdd9d67ff5-160000.1.1
dracut-tools-059+suse.722.gdd9d67ff5-160000.1.1

Ссылки

Описание

A flaw was found in dracut. A remote attacker on the adjacent network can exploit this vulnerability by providing specially crafted DHCP (Dynamic Host Configuration Protocol) options, such as a malicious hostname, to a system using dracut's legacy DHCP path. These options are improperly handled and written into temporary shell scripts without proper escaping, leading to command injection. This allows the attacker to achieve root code execution within the initramfs, potentially compromising the system's boot and network behavior.

Затронутые продукты
openSUSE Leap 16.0:dracut-059+suse.722.gdd9d67ff5-160000.1.1
openSUSE Leap 16.0:dracut-extra-059+suse.722.gdd9d67ff5-160000.1.1
openSUSE Leap 16.0:dracut-fips-059+suse.722.gdd9d67ff5-160000.1.1
openSUSE Leap 16.0:dracut-ima-059+suse.722.gdd9d67ff5-160000.1.1
Ссылки