{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53456",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-17T14:54:09.754Z",
        "datePublished": "2025-10-01T11:42:27.821Z",
        "dateUpdated": "2026-05-11T19:45:21.497Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:45:21.497Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla4xxx: Add length check when parsing nlattrs\n\nThere are three places that qla4xxx parses nlattrs:\n\n - qla4xxx_set_chap_entry()\n\n - qla4xxx_iface_set_param()\n\n - qla4xxx_sysfs_ddb_set_param()\n\nand each of them directly converts the nlattr to specific pointer of\nstructure without length checking. This could be dangerous as those\nattributes are not validated and a malformed nlattr (e.g., length 0) could\nresult in an OOB read that leaks heap dirty data.\n\nAdd the nla_len check before accessing the nlattr data and return EINVAL if\nthe length check fails."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/scsi/qla4xxx/ql4_os.c"
                    ],
                    "versions": [
                        {
                            "version": "00c31889f7513e9ffa6b2b4de8ad6d7f59a61c80",
                            "lessThan": "cfa6a1a79ed6d336fac7a5d87eb5471e4401829f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "00c31889f7513e9ffa6b2b4de8ad6d7f59a61c80",
                            "lessThan": "5925e224cc6edfef57b20447f18323208461309b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "00c31889f7513e9ffa6b2b4de8ad6d7f59a61c80",
                            "lessThan": "47f3be62eab50b8cd7e1ae5fc2c4dae687497c34",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "00c31889f7513e9ffa6b2b4de8ad6d7f59a61c80",
                            "lessThan": "6d65079c69dc1feb817ed71f5bd15e83a7d6832d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "00c31889f7513e9ffa6b2b4de8ad6d7f59a61c80",
                            "lessThan": "f61fc650c47849637fa1771a31a11674c824138a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "00c31889f7513e9ffa6b2b4de8ad6d7f59a61c80",
                            "lessThan": "25feffb3fbd51ae81d92c65cebc0e932663828b3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "00c31889f7513e9ffa6b2b4de8ad6d7f59a61c80",
                            "lessThan": "4ed21975311247bb84e82298eeb359ec0a0fa84d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "00c31889f7513e9ffa6b2b4de8ad6d7f59a61c80",
                            "lessThan": "b018c0440b871d8b001c996e95fa4538bd292de6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "00c31889f7513e9ffa6b2b4de8ad6d7f59a61c80",
                            "lessThan": "47cd3770e31df942e2bb925a9a855c79ed0662eb",
                            "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/scsi/qla4xxx/ql4_os.c"
                    ],
                    "versions": [
                        {
                            "version": "3.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.326",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.295",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.257",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.195",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.132",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.53",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.16",
                            "lessThanOrEqual": "6.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5.3",
                            "lessThanOrEqual": "6.5.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6",
                            "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": "3.2",
                                    "versionEndExcluding": "4.14.326"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "4.19.295"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "5.4.257"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
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                                },
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                                    "versionStartIncluding": "3.2",
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                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "6.1.53"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "6.4.16"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "6.5.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.2",
                                    "versionEndExcluding": "6.6"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/cfa6a1a79ed6d336fac7a5d87eb5471e4401829f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5925e224cc6edfef57b20447f18323208461309b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/47f3be62eab50b8cd7e1ae5fc2c4dae687497c34"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6d65079c69dc1feb817ed71f5bd15e83a7d6832d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f61fc650c47849637fa1771a31a11674c824138a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/25feffb3fbd51ae81d92c65cebc0e932663828b3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4ed21975311247bb84e82298eeb359ec0a0fa84d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b018c0440b871d8b001c996e95fa4538bd292de6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/47cd3770e31df942e2bb925a9a855c79ed0662eb"
                }
            ],
            "title": "scsi: qla4xxx: Add length check when parsing nlattrs",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}