{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "5d7bc7e8680c7ca4c8a4f139ce2a54ccb8131ef0"
            },
            {
              "fixed": "15487f98863dc7156ed43c5be26d478beb82ba35"
            },
            {
              "fixed": "bd23fa0c16c5c86e5b7713224ffbb87d9db81cca"
            },
            {
              "fixed": "9dbf1b2fadfc6c40805631d8a8276d1639fc9ab6"
            },
            {
              "fixed": "dd92773d4d9cea010474eb08a5133c14ff6ab53a"
            },
            {
              "fixed": "99c317d7f8b7bbf3de16d20a01f363e390114cea"
            },
            {
              "fixed": "12df4cfa738aefff21756728e91056d7defb0fe6"
            },
            {
              "fixed": "e692f0cb86204dcdb9dddc0b355407eda6394a67"
            },
            {
              "fixed": "9c954499d43aefac01c5dfb57a82b13d2dcf4b94"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.20.0"
            },
            {
              "fixed": "5.10.259"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.210"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.143"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.94"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.36"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53168.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfuse: reject fuse_notify() pagecache ops on directories\n\nThe operations FUSE_NOTIFY_STORE and FUSE_NOTIFY_RETRIEVE allow the\nFUSE daemon to actively write/read pagecache contents.\n\nFor directories with FOPEN_CACHE_DIR, the pagecache is used as\nkernel-internal cache storage, and userspace is not supposed to have\ndirect access to this cache - in particular, fuse_parse_cache() will hit\nWARN_ON() if the cache contains bogus data.\n\nReject FUSE_NOTIFY_STORE and FUSE_NOTIFY_RETRIEVE on anything other than\nregular files with -EINVAL.",
  "id": "CVE-2026-53168",
  "modified": "2026-07-08T05:37:23.900825384Z",
  "published": "2026-06-25T08:38:47.420Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/12df4cfa738aefff21756728e91056d7defb0fe6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/15487f98863dc7156ed43c5be26d478beb82ba35"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/99c317d7f8b7bbf3de16d20a01f363e390114cea"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9c954499d43aefac01c5dfb57a82b13d2dcf4b94"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9dbf1b2fadfc6c40805631d8a8276d1639fc9ab6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bd23fa0c16c5c86e5b7713224ffbb87d9db81cca"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dd92773d4d9cea010474eb08a5133c14ff6ab53a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e692f0cb86204dcdb9dddc0b355407eda6394a67"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53168.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53168"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "fuse: reject fuse_notify() pagecache ops on directories"
}