{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c855cf2759d27142f771173d9fd8e7fdf9cf5138"
            },
            {
              "fixed": "c5e125c828b701afaf7493b42a14aa89362ff36d"
            },
            {
              "fixed": "ccadd32cc1263802a5969c9efe0e96225450428c"
            },
            {
              "fixed": "14f2c14ae86c4af17a0a9f8ab46dacf2d5fd1d8a"
            },
            {
              "fixed": "31527d80234caf83dc96ad478645e57df9de4472"
            },
            {
              "fixed": "57b285e0368290aa55f79ba11419b96d0ebdb418"
            },
            {
              "fixed": "48fa96538bd2868034d33429e4565fda384d0736"
            },
            {
              "fixed": "708f6926f61f71e09b5e9fd668b9882ccd46e69f"
            },
            {
              "fixed": "237557b8a81ab948e8332f7c0058e758f081c0a3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.19.0"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.142"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.92"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.34"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64185.json"
  },
  "details": "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.",
  "id": "CVE-2026-64185",
  "modified": "2026-08-12T03:51:36.906757722Z",
  "published": "2026-07-19T15:41:07.340Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/14f2c14ae86c4af17a0a9f8ab46dacf2d5fd1d8a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/237557b8a81ab948e8332f7c0058e758f081c0a3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/31527d80234caf83dc96ad478645e57df9de4472"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/48fa96538bd2868034d33429e4565fda384d0736"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/57b285e0368290aa55f79ba11419b96d0ebdb418"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/708f6926f61f71e09b5e9fd668b9882ccd46e69f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c5e125c828b701afaf7493b42a14aa89362ff36d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ccadd32cc1263802a5969c9efe0e96225450428c"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64185.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64185"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "sysfs: don't remove existing directory on update failure"
}