{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-93073",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-17T15:57:05.661Z",
        "datePublished": "2026-09-17T16:10:56.405Z",
        "dateUpdated": "2026-10-19T09:05:09.113Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:05:09.113Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndax: read holder_ops once in dax_holder_notify_failure()\n\ndax_holder_notify_failure() reads dax_dev->holder_ops twice without\nREAD_ONCE() -- once for the NULL check and once for the indirect\nnotify_failure() call. A concurrent fs_put_dax() can clear holder_ops\nbetween the two reads, so the check can observe a non-NULL pointer while\nthe call dereferences NULL. (kill_dax() also clears holder_ops, but only\nafter synchronize_srcu(), so it cannot race a reader that is inside\ndax_read_lock(); fs_put_dax() does no such synchronization.)\n\nFetch holder_ops once into a local with READ_ONCE() so the NULL check and\nthe indirect call observe the same value."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dax/super.c"
                    ],
                    "versions": [
                        {
                            "version": "8012b866085523758780850087102421dbcce522",
                            "lessThan": "1661b9bf78def01a8c96409569772d9b2592f4ba",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8012b866085523758780850087102421dbcce522",
                            "lessThan": "0a42180d5410c98829ee72d1d426fb7faf9e6873",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8012b866085523758780850087102421dbcce522",
                            "lessThan": "ee1251621d1c7cf3155c6704542cbb358d799968",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8012b866085523758780850087102421dbcce522",
                            "lessThan": "6a37acecc7c29136235cbc446a1b89e81414344b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8012b866085523758780850087102421dbcce522",
                            "lessThan": "eb412f80311fc7ab6eb3203091a3fe59a5e9fd30",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8012b866085523758780850087102421dbcce522",
                            "lessThan": "7ae9d15bdcde0f2955ae13b6a95587f9e23b2359",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/dax/super.c"
                    ],
                    "versions": [
                        {
                            "version": "6.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.52",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.6",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "6.0",
                                    "versionEndExcluding": "6.1.188"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "6.6.157"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "6.12.110"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "6.18.52"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "7.2.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1661b9bf78def01a8c96409569772d9b2592f4ba"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0a42180d5410c98829ee72d1d426fb7faf9e6873"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ee1251621d1c7cf3155c6704542cbb358d799968"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6a37acecc7c29136235cbc446a1b89e81414344b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/eb412f80311fc7ab6eb3203091a3fe59a5e9fd30"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7ae9d15bdcde0f2955ae13b6a95587f9e23b2359"
                }
            ],
            "title": "dax: read holder_ops once in dax_holder_notify_failure()",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}