{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53676",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-10-07T15:16:59.664Z",
        "datePublished": "2025-10-07T15:21:31.757Z",
        "dateUpdated": "2026-05-11T19:49:45.844Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:49:45.844Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show()\n\nThe function lio_target_nacl_info_show() uses sprintf() in a loop to print\ndetails for every iSCSI connection in a session without checking for the\nbuffer length. With enough iSCSI connections it's possible to overflow the\nbuffer provided by configfs and corrupt the memory.\n\nThis patch replaces sprintf() with sysfs_emit_at() that checks for buffer\nboundries."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/target/iscsi/iscsi_target_configfs.c"
                    ],
                    "versions": [
                        {
                            "version": "e48354ce078c079996f89d715dfa44814b4eba01",
                            "lessThan": "df349e84c2cb0dd05d98c8e1189c26ab4b116083",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e48354ce078c079996f89d715dfa44814b4eba01",
                            "lessThan": "114b44dddea1f8f99576de3c0e6e9059012002fc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e48354ce078c079996f89d715dfa44814b4eba01",
                            "lessThan": "2cbe6a88fbdd6e8aeab358eef61472e2de43d6f6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e48354ce078c079996f89d715dfa44814b4eba01",
                            "lessThan": "bbe3ff47bf09db8956bc2eeb49d2d514d256ad2a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e48354ce078c079996f89d715dfa44814b4eba01",
                            "lessThan": "5353df78c22623b42a71d51226d228a8413097e2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e48354ce078c079996f89d715dfa44814b4eba01",
                            "lessThan": "4738bf8b2d3635c2944b81b2a84d97b8c8b0978d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e48354ce078c079996f89d715dfa44814b4eba01",
                            "lessThan": "0cac6cbb9908309352a5d30c1876882771d3da50",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e48354ce078c079996f89d715dfa44814b4eba01",
                            "lessThan": "801f287c93ff95582b0a2d2163f12870a2f076d4",
                            "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/target/iscsi/iscsi_target_configfs.c"
                    ],
                    "versions": [
                        {
                            "version": "3.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.1",
                            "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": "5.10.197",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.133",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.55",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5.5",
                            "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": "3.1",
                                    "versionEndExcluding": "4.14.326"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.1",
                                    "versionEndExcluding": "4.19.295"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "5.4.257"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.1",
                                    "versionEndExcluding": "5.10.197"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.1",
                                    "versionEndExcluding": "5.15.133"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.1",
                                    "versionEndExcluding": "6.1.55"
                                },
                                {
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                                    "versionStartIncluding": "3.1",
                                    "versionEndExcluding": "6.5.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.1",
                                    "versionEndExcluding": "6.6"
                                }
                            ]
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                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/df349e84c2cb0dd05d98c8e1189c26ab4b116083"
                },
                {
                    "url": "https://git.kernel.org/stable/c/114b44dddea1f8f99576de3c0e6e9059012002fc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2cbe6a88fbdd6e8aeab358eef61472e2de43d6f6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bbe3ff47bf09db8956bc2eeb49d2d514d256ad2a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5353df78c22623b42a71d51226d228a8413097e2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4738bf8b2d3635c2944b81b2a84d97b8c8b0978d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0cac6cbb9908309352a5d30c1876882771d3da50"
                },
                {
                    "url": "https://git.kernel.org/stable/c/801f287c93ff95582b0a2d2163f12870a2f076d4"
                }
            ],
            "title": "scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}