High severity7.5NVD Advisory· Published Jul 21, 2026· Updated Sep 21, 2026
CVE-2026-16445
CVE-2026-16445
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.
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Affected products
5- osv-coords2 versionspkg:rpm/opensuse/dracut&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/dracut&distro=openSUSE%20Leap%2016.0
< 112+suse.47.gec0b378-1.1+ 1 more
- (no CPE)range: < 112+suse.47.gec0b378-1.1
- (no CPE)range: < 059+suse.730.g73d3411aa-160000.1.1
Patches
Vulnerability mechanics
References
9- access.redhat.com/errata/RHSA-2026:26534nvd
- access.redhat.com/errata/RHSA-2026:40700nvd
- access.redhat.com/errata/RHSA-2026:61252nvd
- access.redhat.com/errata/RHSA-2026:69118nvd
- access.redhat.com/errata/RHSA-2026:69119nvd
- access.redhat.com/security/cve/CVE-2026-16445nvd
- bugzilla.redhat.com/show_bug.cginvd
- bugzilla.redhat.com/show_bug.cginvd
- github.com/dracutdevs/dracut/commit/e509c638e6nvd
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