{"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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