High RHSA-2026:74499 2 CVEs

Red Hat Security Advisory: dracut security update

Published Oct 2, 2026 · Updated Oct 15, 2026

Ecosystem: Red Hat

Fixed packages 8

Release	Package	Fixed in
Red Hat · RHEL 6 ELS rhel_els:6	dracut	0:004-413.el6_10
Red Hat · RHEL 6 ELS rhel_els:6	dracut-caps	0:004-413.el6_10
Red Hat · RHEL 6 ELS rhel_els:6	dracut-fips	0:004-413.el6_10
Red Hat · RHEL 6 ELS rhel_els:6	dracut-fips-aesni	0:004-413.el6_10
Red Hat · RHEL 6 ELS rhel_els:6	dracut-generic	0:004-413.el6_10
Red Hat · RHEL 6 ELS rhel_els:6	dracut-kernel	0:004-413.el6_10
Red Hat · RHEL 6 ELS rhel_els:6	dracut-network	0:004-413.el6_10
Red Hat · RHEL 6 ELS rhel_els:6	dracut-tools	0:004-413.el6_10

Vulnerabilities 2

High 7.5

CVE-2026-15816

Dracut: dracut: root code execution via unescaped error message written to sourced emergency hook script in die()

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 atta…

Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 10 Linux Debian Ubuntu

Aug 7, 2026
High 7.5

CVE-2026-6893

Dracut: dracut: root code execution via dhcp options command injection

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. …

Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 10 Linux Debian Ubuntu Azure Linux

Jun 10, 2026

References

article
https://access.redhat.com/security/updates/classification/#important
report
https://bugzilla.redhat.com/show_bug.cgi?id=2459963
report
https://bugzilla.redhat.com/show_bug.cgi?id=2500889
advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_74499.json
report
https://access.redhat.com/security/cve/CVE-2026-6893
advisory
https://www.cve.org/CVERecord?id=CVE-2026-6893
advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-6893
report
https://access.redhat.com/security/cve/CVE-2026-15816
advisory
https://www.cve.org/CVERecord?id=CVE-2026-15816
advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-15816
article
https://github.com/dracutdevs/dracut/blob/master/modules.d/40network/netroot.sh
article
https://github.com/dracutdevs/dracut/blob/master/modules.d/99base/dracut-lib.sh