{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-64185",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T07:54:57.039Z",
        "datePublished": "2026-07-19T15:41:07.340Z",
        "dateUpdated": "2026-07-19T15:41:07.340Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-19T15:41:07.340Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsysfs: don't remove existing directory on update failure\n\nWhen sysfs_update_group() is called for a named group and create_files()\nfails (e.g. -ENOMEM), internal_create_group() calls kernfs_remove(kn) on\nthe group directory.  In the update path, kn was obtained via\nkernfs_find_and_get() and refers to a directory that already existed\nbefore this call.  Removing it silently destroys a sysfs group that the\ncaller did not create.\n\nOnly remove the directory if we created it ourselves.  On update failure\nthe directory remains as it is left empty by remove_files() inside\ncreate_files(), but can be repopulated by a retry."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/sysfs/group.c"
                    ],
                    "versions": [
                        {
                            "version": "c855cf2759d27142f771173d9fd8e7fdf9cf5138",
                            "lessThan": "c5e125c828b701afaf7493b42a14aa89362ff36d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c855cf2759d27142f771173d9fd8e7fdf9cf5138",
                            "lessThan": "ccadd32cc1263802a5969c9efe0e96225450428c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c855cf2759d27142f771173d9fd8e7fdf9cf5138",
                            "lessThan": "14f2c14ae86c4af17a0a9f8ab46dacf2d5fd1d8a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c855cf2759d27142f771173d9fd8e7fdf9cf5138",
                            "lessThan": "31527d80234caf83dc96ad478645e57df9de4472",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c855cf2759d27142f771173d9fd8e7fdf9cf5138",
                            "lessThan": "57b285e0368290aa55f79ba11419b96d0ebdb418",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c855cf2759d27142f771173d9fd8e7fdf9cf5138",
                            "lessThan": "48fa96538bd2868034d33429e4565fda384d0736",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c855cf2759d27142f771173d9fd8e7fdf9cf5138",
                            "lessThan": "708f6926f61f71e09b5e9fd668b9882ccd46e69f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c855cf2759d27142f771173d9fd8e7fdf9cf5138",
                            "lessThan": "237557b8a81ab948e8332f7c0058e758f081c0a3",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/sysfs/group.c"
                    ],
                    "versions": [
                        {
                            "version": "4.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.142",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.92",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.34",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.11",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.10.258"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.15.209"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.1.175"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.6.142"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.12.92"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.18.34"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "7.0.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c5e125c828b701afaf7493b42a14aa89362ff36d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ccadd32cc1263802a5969c9efe0e96225450428c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/14f2c14ae86c4af17a0a9f8ab46dacf2d5fd1d8a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/31527d80234caf83dc96ad478645e57df9de4472"
                },
                {
                    "url": "https://git.kernel.org/stable/c/57b285e0368290aa55f79ba11419b96d0ebdb418"
                },
                {
                    "url": "https://git.kernel.org/stable/c/48fa96538bd2868034d33429e4565fda384d0736"
                },
                {
                    "url": "https://git.kernel.org/stable/c/708f6926f61f71e09b5e9fd668b9882ccd46e69f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/237557b8a81ab948e8332f7c0058e758f081c0a3"
                }
            ],
            "title": "sysfs: don't remove existing directory on update failure",
            "x_generator": {
                "engine": "bippy-1.2.0"
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    }
}