{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53373",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-17T14:54:09.734Z",
        "datePublished": "2025-09-18T13:33:20.264Z",
        "dateUpdated": "2026-05-11T19:43:41.770Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:43:41.770Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: seqiv - Handle EBUSY correctly\n\nAs it is seqiv only handles the special return value of EINPROGERSS,\nwhich means that in all other cases it will free data related to the\nrequest.\n\nHowever, as the caller of seqiv 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."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "crypto/seqiv.c"
                    ],
                    "versions": [
                        {
                            "version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771",
                            "lessThan": "cc4d0d4251748a8a68026938f4055d2ac47c5719",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771",
                            "lessThan": "1effbddaff60eeef8017c6dea1ee0ed970164d14",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771",
                            "lessThan": "63551e4b7cbcd9914258827699eb2cb6ed6e4a16",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771",
                            "lessThan": "ae849d2f48019ff9c104e32bf588ccbfb200e971",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771",
                            "lessThan": "36ec108b7bd7e280edb22de028467bd09d644620",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771",
                            "lessThan": "4d497e8b200a175094e0ac252ed878add39b8771",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771",
                            "lessThan": "9477db935eb690f697d9bcc4f608927841bc8b36",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0a270321dbf948963aeb0e8382fe17d2c2eb3771",
                            "lessThan": "32e62025e5e52fbe4812ef044759de7010b15dbc",
                            "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/seqiv.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.25",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.25",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.308",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.276",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.235",
                            "lessThanOrEqual": "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": "2.6.25",
                                    "versionEndExcluding": "4.14.308"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "4.19.276"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "5.4.235"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "5.10.173"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "5.15.99"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "6.1.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "6.2.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "6.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/cc4d0d4251748a8a68026938f4055d2ac47c5719"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1effbddaff60eeef8017c6dea1ee0ed970164d14"
                },
                {
                    "url": "https://git.kernel.org/stable/c/63551e4b7cbcd9914258827699eb2cb6ed6e4a16"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ae849d2f48019ff9c104e32bf588ccbfb200e971"
                },
                {
                    "url": "https://git.kernel.org/stable/c/36ec108b7bd7e280edb22de028467bd09d644620"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4d497e8b200a175094e0ac252ed878add39b8771"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9477db935eb690f697d9bcc4f608927841bc8b36"
                },
                {
                    "url": "https://git.kernel.org/stable/c/32e62025e5e52fbe4812ef044759de7010b15dbc"
                }
            ],
            "title": "crypto: seqiv - Handle EBUSY correctly",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 7.8,
                            "attackVector": "LOCAL",
                            "baseSeverity": "HIGH",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2023-53373",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-01-14T18:54:09.278191Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-416",
                                "description": "CWE-416 Use After Free"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-14T19:03:03.132Z"
                }
            }
        ]
    }
}