{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-53168",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-06-09T07:44:35.389Z",
        "datePublished": "2026-06-25T08:38:47.420Z",
        "dateUpdated": "2026-06-25T08:38:47.420Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-25T08:38:47.420Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/fuse/dev.c"
                    ],
                    "versions": [
                        {
                            "version": "5d7bc7e8680c7ca4c8a4f139ce2a54ccb8131ef0",
                            "lessThan": "15487f98863dc7156ed43c5be26d478beb82ba35",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d7bc7e8680c7ca4c8a4f139ce2a54ccb8131ef0",
                            "lessThan": "bd23fa0c16c5c86e5b7713224ffbb87d9db81cca",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d7bc7e8680c7ca4c8a4f139ce2a54ccb8131ef0",
                            "lessThan": "9dbf1b2fadfc6c40805631d8a8276d1639fc9ab6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d7bc7e8680c7ca4c8a4f139ce2a54ccb8131ef0",
                            "lessThan": "dd92773d4d9cea010474eb08a5133c14ff6ab53a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d7bc7e8680c7ca4c8a4f139ce2a54ccb8131ef0",
                            "lessThan": "99c317d7f8b7bbf3de16d20a01f363e390114cea",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d7bc7e8680c7ca4c8a4f139ce2a54ccb8131ef0",
                            "lessThan": "12df4cfa738aefff21756728e91056d7defb0fe6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d7bc7e8680c7ca4c8a4f139ce2a54ccb8131ef0",
                            "lessThan": "e692f0cb86204dcdb9dddc0b355407eda6394a67",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d7bc7e8680c7ca4c8a4f139ce2a54ccb8131ef0",
                            "lessThan": "9c954499d43aefac01c5dfb57a82b13d2dcf4b94",
                            "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/fuse/dev.c"
                    ],
                    "versions": [
                        {
                            "version": "4.20",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.20",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.259",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.210",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.176",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.143",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.94",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.36",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.13",
                            "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": "4.20",
                                    "versionEndExcluding": "5.10.259"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "5.15.210"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.1.176"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.6.143"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.12.94"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.18.36"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "7.0.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/15487f98863dc7156ed43c5be26d478beb82ba35"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bd23fa0c16c5c86e5b7713224ffbb87d9db81cca"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9dbf1b2fadfc6c40805631d8a8276d1639fc9ab6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dd92773d4d9cea010474eb08a5133c14ff6ab53a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/99c317d7f8b7bbf3de16d20a01f363e390114cea"
                },
                {
                    "url": "https://git.kernel.org/stable/c/12df4cfa738aefff21756728e91056d7defb0fe6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e692f0cb86204dcdb9dddc0b355407eda6394a67"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9c954499d43aefac01c5dfb57a82b13d2dcf4b94"
                }
            ],
            "title": "fuse: reject fuse_notify() pagecache ops on directories",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}