{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53297",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-16T08:09:37.993Z",
        "datePublished": "2025-09-16T08:11:29.283Z",
        "dateUpdated": "2026-05-23T15:28:29.590Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:28:29.590Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: fix \"bad unlock balance\" in l2cap_disconnect_rsp\n\nconn->chan_lock isn't acquired before l2cap_get_chan_by_scid,\nif l2cap_get_chan_by_scid returns NULL, then 'bad unlock balance'\nis triggered."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/bluetooth/l2cap_core.c"
                    ],
                    "versions": [
                        {
                            "version": "f2d38e77aa5f3effc143e7dd24da8acf02925958",
                            "lessThan": "5f352a56f0e607e6ff539cbf12156bfd8af232be",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1351551aa9058e07a20a27a158270cf84fcde621",
                            "lessThan": "6a27762340ad08643de3bc17fe1646ea489ca2e2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c02421992505c95c7f3c9ad59ee35e22eac60988",
                            "lessThan": "2112c4c47d36bc5aba3ddeb9afedce6ae6a67e7d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d9ba36c22a7bb09d6bac4cc2f243eff05da53f43",
                            "lessThan": "55410a9144c76ecda126e6cdec556dfcd8f343b2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ac6725a634f7e8c0330610a8527f20c730b61115",
                            "lessThan": "116b9c002c894097adc2b8684db2d1da4229ed46",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "348d446762e7c70778df8bafbdf3fa0df2123f58",
                            "lessThan": "fd269a0435f8e9943b7a57c5a59688848d42d449",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a2a9339e1c9deb7e1e079e12e27a0265aea8421a",
                            "lessThan": "5134556c9be582793f30695c09d18a26fe1ff2d7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a2a9339e1c9deb7e1e079e12e27a0265aea8421a",
                            "lessThan": "25e97f7b1866e6b8503be349eeea44bb52d661ce",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.14.313",
                            "lessThan": "4.14.316",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.281",
                            "lessThan": "4.19.284",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.241",
                            "lessThan": "5.4.244",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.178",
                            "lessThan": "5.10.181",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.108",
                            "lessThan": "5.15.113",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.25",
                            "lessThan": "6.1.30",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2.12",
                            "lessThan": "6.3",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/bluetooth/l2cap_core.c"
                    ],
                    "versions": [
                        {
                            "version": "6.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.316",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.284",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.244",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.181",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.113",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.30",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.4",
                            "lessThanOrEqual": "6.3.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4",
                            "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": "4.14.313",
                                    "versionEndExcluding": "4.14.316"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19.281",
                                    "versionEndExcluding": "4.19.284"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4.241",
                                    "versionEndExcluding": "5.4.244"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10.178",
                                    "versionEndExcluding": "5.10.181"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15.108",
                                    "versionEndExcluding": "5.15.113"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1.25",
                                    "versionEndExcluding": "6.1.30"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "6.3.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "6.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2.12"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/5f352a56f0e607e6ff539cbf12156bfd8af232be"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6a27762340ad08643de3bc17fe1646ea489ca2e2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2112c4c47d36bc5aba3ddeb9afedce6ae6a67e7d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/55410a9144c76ecda126e6cdec556dfcd8f343b2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/116b9c002c894097adc2b8684db2d1da4229ed46"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fd269a0435f8e9943b7a57c5a59688848d42d449"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5134556c9be582793f30695c09d18a26fe1ff2d7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/25e97f7b1866e6b8503be349eeea44bb52d661ce"
                }
            ],
            "title": "Bluetooth: L2CAP: fix \"bad unlock balance\" in l2cap_disconnect_rsp",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2023-53297",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-01-14T18:12:33.884627Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "description": "CWE-noinfo Not enough information"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-14T18:12:56.873Z"
                }
            }
        ]
    }
}