{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53494",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-10-01T11:39:39.403Z",
        "datePublished": "2025-10-01T11:45:45.773Z",
        "dateUpdated": "2026-08-04T09:14:59.762Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-04T09:14:59.762Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: xts - Handle EBUSY correctly\n\nAs it is xts only handles the special return value of EINPROGRESS,\nwhich means that in all other cases it will free data related to the\nrequest.\n\nHowever, as the caller of xts may specify MAY_BACKLOG, we also need\nto expect EBUSY and treat it in the same way.  Otherwise backlogged\nrequests will trigger a use-after-free."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 7.8,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "crypto/xts.c"
                    ],
                    "versions": [
                        {
                            "version": "8083b1bf8163e7ae7d8c90f221106d96450b8aa8",
                            "lessThan": "92a07ba4f0af2cccdc2aa5ee32679c9c9714db90",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8083b1bf8163e7ae7d8c90f221106d96450b8aa8",
                            "lessThan": "912eb10b65646ffd222256c78a1c566a3dac177d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8083b1bf8163e7ae7d8c90f221106d96450b8aa8",
                            "lessThan": "57c3e1d63b63dc0841d41df729297cd7c1c35808",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8083b1bf8163e7ae7d8c90f221106d96450b8aa8",
                            "lessThan": "d5870848879291700fe6c5257dcb48aadd10425c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8083b1bf8163e7ae7d8c90f221106d96450b8aa8",
                            "lessThan": "51c082514c2dedf2711c99d93c196cc4eedceb40",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "crypto/xts.c"
                    ],
                    "versions": [
                        {
                            "version": "5.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.173",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.99",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.16",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2.3",
                            "lessThanOrEqual": "6.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3",
                            "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": "5.4",
                                    "versionEndExcluding": "5.10.173"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "5.15.99"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.1.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.2.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/92a07ba4f0af2cccdc2aa5ee32679c9c9714db90"
                },
                {
                    "url": "https://git.kernel.org/stable/c/912eb10b65646ffd222256c78a1c566a3dac177d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/57c3e1d63b63dc0841d41df729297cd7c1c35808"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d5870848879291700fe6c5257dcb48aadd10425c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/51c082514c2dedf2711c99d93c196cc4eedceb40"
                }
            ],
            "title": "crypto: xts - Handle EBUSY correctly",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}