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      "category" : "summary",
      "text" : "An update for dracut is now available for Red Hat Enterprise Linux 10.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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      "text" : "The dracut packages contain an event-driven initial RAM file system (initramfs) generator infrastructure based on the udev device manager. The virtual file system, initramfs, is loaded together with the kernel at boot time and initializes the system, so it can read and boot from the root partition.\n\nSecurity Fix(es):\n\n* dracut: dracut: Root code execution via DHCP options command injection (CVE-2026-6893)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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      "text" : "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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      "names" : [ "AISLE Research" ]
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    "cve" : "CVE-2026-6893",
    "cwe" : {
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      "name" : "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"
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    "ids" : [ {
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      "text" : "2459963"
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      "category" : "description",
      "text" : "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.",
      "title" : "Vulnerability description"
    }, {
      "category" : "summary",
      "text" : "dracut: dracut: Root code execution via DHCP options command injection",
      "title" : "Vulnerability summary"
    }, {
      "category" : "other",
      "text" : "This is an Important vulnerability in dracut's legacy DHCP client script (`dhclient-script.sh`) that allows command injection. An attacker on the adjacent network can exploit this by providing specially crafted DHCP options, leading to root code execution within the initramfs. This primarily affects systems configured to use DHCP for network setup during the initial boot phase.",
      "title" : "Statement"
    }, {
      "category" : "general",
      "text" : "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
      "title" : "CVSS score applicability"
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        "baseScore" : 7.5,
        "baseSeverity" : "HIGH",
        "confidentialityImpact" : "HIGH",
        "integrityImpact" : "HIGH",
        "privilegesRequired" : "NONE",
        "scope" : "UNCHANGED",
        "userInteraction" : "NONE",
        "vectorString" : "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
        "version" : "3.1"
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    } ],
    "threats" : [ {
      "category" : "impact",
      "details" : "Important"
    } ],
    "title" : "dracut: dracut: Root code execution via DHCP options command injection"
  } ]
}