{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-40019",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-04-16T07:20:57.152Z",
        "datePublished": "2025-10-24T11:44:29.864Z",
        "dateUpdated": "2026-05-11T21:40:54.499Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:40:54.499Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: essiv - Check ssize for decryption and in-place encryption\n\nMove the ssize check to the start in essiv_aead_crypt so that\nit's also checked for decryption and in-place encryption."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "crypto/essiv.c"
                    ],
                    "versions": [
                        {
                            "version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71",
                            "lessThan": "29294dd6f1e7acf527255fb136ffde6602c3a129",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71",
                            "lessThan": "71f03f8f72d9c70ffba76980e78b38c180e61589",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71",
                            "lessThan": "df58651968f82344a0ed2afdafd20ecfc55ff548",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71",
                            "lessThan": "248ff2797ff52a8cbf86507f9583437443bf7685",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71",
                            "lessThan": "f37e7860dc5e94c70b4a3e38a5809181310ea9ac",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71",
                            "lessThan": "dc4c854a5e7453c465fa73b153eba4ef2a240abe",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71",
                            "lessThan": "da7afb01ba05577ba3629f7f4824205550644986",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "be1eb7f78aa8fbe34779c56c266ccd0364604e71",
                            "lessThan": "6bb73db6948c2de23e407fe1b7ef94bf02b7529f",
                            "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/essiv.c"
                    ],
                    "versions": [
                        {
                            "version": "5.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.301",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.246",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.195",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.157",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.113",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.54",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.4",
                            "lessThanOrEqual": "6.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18",
                            "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": "5.4.301"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "5.10.246"
                                },
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "6.1.157"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.6.113"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.12.54"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.17.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4",
                                    "versionEndExcluding": "6.18"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/29294dd6f1e7acf527255fb136ffde6602c3a129"
                },
                {
                    "url": "https://git.kernel.org/stable/c/71f03f8f72d9c70ffba76980e78b38c180e61589"
                },
                {
                    "url": "https://git.kernel.org/stable/c/df58651968f82344a0ed2afdafd20ecfc55ff548"
                },
                {
                    "url": "https://git.kernel.org/stable/c/248ff2797ff52a8cbf86507f9583437443bf7685"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f37e7860dc5e94c70b4a3e38a5809181310ea9ac"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dc4c854a5e7453c465fa73b153eba4ef2a240abe"
                },
                {
                    "url": "https://git.kernel.org/stable/c/da7afb01ba05577ba3629f7f4824205550644986"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6bb73db6948c2de23e407fe1b7ef94bf02b7529f"
                }
            ],
            "title": "crypto: essiv - Check ssize for decryption and in-place encryption",
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}