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CVE-2026-6893— Dracut: dracut: root code execution via dhcp options command injection

Quick assessment

Affected

Red Hat Red Hat Enterprise Linux 10

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

dracut是dracutdevs开源的一个事件驱动的initramfs生成工具。 dracut存在操作系统命令注入漏洞，该漏洞源于远程攻击者通过提供特制DHCP选项，这些选项被不当处理并写入临时shell脚本，导致命令注入，从而在initramfs中实现root代码执行。

CVSS 7.5 · High EPSS 1.27% · P70 Updated Nov 03, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 27

Vendor	Product	Version Range	Status
Red Hat	Red Hat Enterprise Linux 10	`0:107-7.el10_2< *`	unaffected
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	`0:105-4.el10_0.1< *`	unaffected
Red Hat	Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION	`0:004-413.el6_10< *`	unaffected
		`0:004-414.el6_10< *`	unaffected
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support	`0:033-577.el7_9< *`	unaffected
Red Hat	Red Hat Enterprise Linux 8	`0:049-244.git20260529.el8_10< *`	unaffected
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	`0:049-138.git20220131.el8_4.1< *`	unaffected
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On	`0:049-138.git20220131.el8_4.1< *`	unaffected
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support	`0:049-203.git20220511.el8_6.1< *`	unaffected
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On	`0:049-203.git20220511.el8_6.1< *`	unaffected
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service	`0:049-223.git20230119.el8_8.1< *`	unaffected
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	`0:049-223.git20230119.el8_8.1< *`	unaffected
Red Hat	Red Hat Enterprise Linux 9	`0:057-115.git20260527.el9_8< *`	unaffected
		`0:057-115.git20260527.el9_8< *`	unaffected
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	`0:057-25.git20250717.el9_2.2< *`	unaffected
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions	`0:057-54.git20250423.el9_4.3< *`	unaffected
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	`0:057-89.git20250311.el9_6.1< *`	unaffected
Red Hat	Red Hat Hardened Images	`109-6.hum1< *`	unaffected
Red Hat	Red Hat OpenShift Container Platform 4.12	`412.86.202610250235-0< *`	unaffected
Red Hat	Red Hat OpenShift Container Platform 4.13	`413.92.202609080414-0< *`	unaffected
Red Hat	Red Hat OpenShift Container Platform 4.14	`414.92.202609011250-0< *`	unaffected
Red Hat	Red Hat OpenShift Container Platform 4.15	`415.92.202609140326-0< *`	unaffected
Red Hat	Red Hat OpenShift Container Platform 4.16	`416.94.202609011112-0< *`	unaffected
Red Hat	Red Hat OpenShift Container Platform 4.17	`417.94.202609191027-0< *`	unaffected
Red Hat	Red Hat OpenShift Container Platform 4.18	`418.94.202609031320-0< *`	unaffected
		`418.94.202609171815-0< *`	unaffected
Red Hat	Red Hat OpenShift Container Platform 4.19	`4.19.9.6.202609021231-0< *`	unaffected

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I. Basic Information for CVE-2026-6893

Vulnerability Information

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Vulnerability Title

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

Source: CVE Program / CVE List V5

Vulnerability Description

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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

OS命令中使用的特殊元素转义处理不恰当(OS命令注入)

Source: CVE Program / CVE List V5

Vulnerability Title

dracut 操作系统命令注入漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE
Red Hat	Red Hat Enterprise Linux 10	0:107-7.el10_2 ~ *	`cpe:/o:redhat:enterprise_linux:10.2`
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	0:105-4.el10_0.1 ~ *	`cpe:/o:redhat:enterprise_linux_eus:10.0`
Red Hat	Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION	0:004-413.el6_10 ~ *	`cpe:/o:redhat:rhel_els:6`
Red Hat	Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION	0:004-414.el6_10 ~ *	`cpe:/o:redhat:rhel_els:6`
Red Hat	Red Hat Enterprise Linux 7 Extended Lifecycle Support	0:033-577.el7_9 ~ *	`cpe:/o:redhat:rhel_els:7`
Red Hat	Red Hat Enterprise Linux 8	0:049-244.git20260529.el8_10 ~ *	`cpe:/o:redhat:enterprise_linux:8::baseos`
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support	0:049-138.git20220131.el8_4.1 ~ *	`cpe:/o:redhat:rhel_aus:8.4::baseos`
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On	0:049-138.git20220131.el8_4.1 ~ *	`cpe:/o:redhat:rhel_aus:8.4::baseos`
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support	0:049-203.git20220511.el8_6.1 ~ *	`cpe:/o:redhat:rhel_aus:8.6::baseos`
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On	0:049-203.git20220511.el8_6.1 ~ *	`cpe:/o:redhat:rhel_aus:8.6::baseos`
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service	0:049-223.git20230119.el8_8.1 ~ *	`cpe:/o:redhat:rhel_e4s:8.8::baseos`
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions	0:049-223.git20230119.el8_8.1 ~ *	`cpe:/o:redhat:rhel_e4s:8.8::baseos`
Red Hat	Red Hat Enterprise Linux 9	0:057-115.git20260527.el9_8 ~ *	`cpe:/a:redhat:enterprise_linux:9::appstream`
Red Hat	Red Hat Enterprise Linux 9	0:057-115.git20260527.el9_8 ~ *	`cpe:/a:redhat:enterprise_linux:9::appstream`
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	0:057-25.git20250717.el9_2.2 ~ *	`cpe:/a:redhat:rhel_e4s:9.2::appstream`
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions	0:057-54.git20250423.el9_4.3 ~ *	`cpe:/a:redhat:rhel_e4s:9.4::appstream`
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	0:057-89.git20250311.el9_6.1 ~ *	`cpe:/a:redhat:rhel_eus:9.6::appstream`
Red Hat	Red Hat OpenShift Container Platform 4.12	412.86.202610250235-0 ~ *	`cpe:/a:redhat:openshift:4.12::el8`
Red Hat	Red Hat OpenShift Container Platform 4.13	413.92.202609080414-0 ~ *	`cpe:/a:redhat:openshift:4.13::el9`
Red Hat	Red Hat OpenShift Container Platform 4.14	414.92.202609011250-0 ~ *	`cpe:/a:redhat:openshift:4.14::el9`
Red Hat	Red Hat OpenShift Container Platform 4.15	415.92.202609140326-0 ~ *	`cpe:/a:redhat:openshift:4.15::el9`
Red Hat	Red Hat OpenShift Container Platform 4.16	416.94.202609011112-0 ~ *	`cpe:/a:redhat:openshift:4.16::el9`
Red Hat	Red Hat OpenShift Container Platform 4.17	417.94.202609191027-0 ~ *	`cpe:/a:redhat:openshift:4.17::el9`
Red Hat	Red Hat OpenShift Container Platform 4.18	418.94.202609031320-0 ~ *	`cpe:/a:redhat:openshift:4.18::el9`
Red Hat	Red Hat OpenShift Container Platform 4.18	418.94.202609171815-0 ~ *	`cpe:/a:redhat:openshift:4.18::el9`
Red Hat	Red Hat OpenShift Container Platform 4.19	4.19.9.6.202609021231-0 ~ *	`cpe:/a:redhat:openshift:4.19::el9`
Red Hat	Red Hat Hardened Images	109-6.hum1 ~ *	`cpe:/a:redhat:hummingbird:1`

II. Public POCs for CVE-2026-6893

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-6893

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Vendor Advisories for CVE-2026-6893 (23)

🔗 Page Not Found - Red Hat Customer Portal vdb-entry x_refsource_REDHAT
🔗 2459963 – (CVE-2026-6893) CVE-2026-6893 dracut: dracut: Root code execution via DHCP options command injection Read full article issue-tracking x_refsource_REDHAT
🔗 RHSA-2026:65839 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:63044 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:70615 - Security Advisory - Red Hat Customer Portal Read full article vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:62549 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:65851 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:69119 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:79114 - Security Advisory - Red Hat Customer Portal Read full article vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:57772 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:57580 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:74499 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:26534 - Security Advisory - Red Hat Customer Portal Read full article vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:26533 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:26713 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:62409 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:67857 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:70586 - Security Advisory - Red Hat Customer Portal Read full article vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:69118 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:90272 - Security Advisory - Red Hat Customer Portal Read full article vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:57785 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:61252 - Security Advisory - Red Hat Customer Portal Read full article vendor-advisory x_refsource_REDHAT
🔗 RHSA-2026:62269 - Security Advisory - Red Hat Customer Portal vendor-advisory x_refsource_REDHAT

Other References for CVE-2026-6893 (2)

https://access.redhat.com/errata/RHSA-2026:26532 vendor-advisory x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:57775 vendor-advisory x_refsource_REDHAT

https://www.cve.org/CVERecord?id=CVE-2026-6893

Same Patch Batch · Red Hat · 2026-06-10 · 3 CVEs total

CVE-2026-11837	7.3 HIGH	Ansible-collection-ansible-posix: ansible.posix authorized_key: local privilege escalation
CVE-2026-11884	6.5 MEDIUM	389-ds-base: 389-ds-base: heap buffer overflow in schema objectclass serialization due to

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10

Same vendor: Red Hat

Same weakness: CWE-78