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        "cveId": "CVE-2026-111581",
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "state": "PUBLISHED",
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        "dateReserved": "2026-10-16T12:59:36.285Z",
        "datePublished": "2026-10-16T15:42:04.580Z",
        "dateUpdated": "2026-10-16T17:06:09.524Z"
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    "containers": {
        "cna": {
            "title": "Libblockdev: libblockdev: argument injection in ntfs/vfat label-setting helpers via udisks2 setlabel() d-bus method",
            "metrics": [
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                        "content": {
                            "value": "Low",
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                        "type": "Red Hat severity rating"
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                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "NONE",
                        "baseScore": 3.3,
                        "baseSeverity": "LOW",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
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            "descriptions": [
                {
                    "lang": "en",
                    "value": "A flaw was found in libblockdev. The bd_fs_ntfs_set_label() and bd_fs_vfat_set_label() functions pass caller-supplied label values as bare positional arguments to the ntfslabel and fatlabel utilities without end-of-options separators or input validation for values beginning with a dash. This allows a label starting with '-' to be interpreted as a command-line flag by the spawned tool, potentially bypassing safety checks or causing unintended operations. This is reachable by unprivileged local users through the udisks2 Filesystem.SetLabel() D-Bus method without administrator authentication."
                }
            ],
            "affected": [
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                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 10",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "libblockdev",
                    "defaultStatus": "affected",
                    "cpes": [
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                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 7",
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                    "packageName": "libblockdev",
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                    "cpes": [
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                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "libblockdev",
                    "defaultStatus": "affected",
                    "cpes": [
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                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "libblockdev",
                    "defaultStatus": "affected",
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            "references": [
                {
                    "url": "https://access.redhat.com/security/cve/CVE-2026-111581",
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                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2554104",
                    "name": "RHBZ#2554104",
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            ],
            "datePublic": "2026-10-16T13:00:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-88",
                            "description": "Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "x_redhatCweChain": "CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')",
            "workarounds": [
                {
                    "lang": "en",
                    "value": "There is no practical mitigation that does not affect normal desktop functionality. Restricting the polkit policy for org.freedesktop.udisks2.modify-device to require administrator authentication (changing allow_active from \"yes\" to \"auth_admin\") would block the attack surface but would also require a password for all legitimate filesystem label and UUID operations on user-owned devices."
                }
            ],
            "timeline": [
                {
                    "lang": "en",
                    "time": "2026-10-14T13:15:47.000Z",
                    "value": "Reported to Red Hat."
                },
                {
                    "lang": "en",
                    "time": "2026-10-16T13:00:00.000Z",
                    "value": "Made public."
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Red Hat would like to thank Yashashree Gund for reporting this issue."
                }
            ],
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