{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53472",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-10-01T11:39:39.401Z",
        "datePublished": "2025-10-01T11:42:41.951Z",
        "dateUpdated": "2026-05-23T15:29:04.344Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:29:04.344Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npwm: lpc32xx: Remove handling of PWM channels\n\nBecause LPC32xx PWM controllers have only a single output which is\nregistered as the only PWM device/channel per controller, it is known in\nadvance that pwm->hwpwm value is always 0. On basis of this fact\nsimplify the code by removing operations with pwm->hwpwm, there is no\ncontrols which require channel number as input.\n\nEven though I wasn't aware at the time when I forward ported that patch,\nthis fixes a null pointer dereference as lpc32xx->chip.pwms is NULL\nbefore devm_pwmchip_add() is called."
                }
            ],
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                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/pwm/pwm-lpc32xx.c"
                    ],
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                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "a9a505f5b39d8fff1a55963a5e524c84639e98b2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "81e6b51709da162b94e40a445bb60856406beaa1",
                            "lessThan": "04301da4d87067a989f70ee56942bf9d97cd2a45",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "322b70b522abe03cd59712bb47a72eddd835d19d",
                            "lessThan": "a2d9d884e84bfd37892219b1f55847f36d8e9901",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3d2813fb17e5fd0d73c1d1442ca0192bde4af10e",
                            "lessThan": "5e22217c11424ef958ba28d03ff7167b4d7a8914",
                            "status": "affected",
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                            "status": "affected",
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                            "lessThan": "4aae44f65827f0213a7361cf9c32cfe06114473f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7fc2172ad4e701d3c6e7dcb7b2efd8df71d2417b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1c90a357cef4219cb436e59cc7463888103e104b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.14.248",
                            "lessThan": "4.14.326",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.208",
                            "lessThan": "4.19.295",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.149",
                            "lessThan": "5.4.257",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.69",
                            "lessThan": "5.10.195",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.284",
                            "lessThan": "4.10",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.14.8",
                            "lessThan": "5.15",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/pwm/pwm-lpc32xx.c"
                    ],
                    "versions": [
                        {
                            "version": "5.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.15",
                            "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": "6.1.54",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5.4",
                            "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": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/abd9b2ee4047ccd980decbf26d61f9637604b1d5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a9a505f5b39d8fff1a55963a5e524c84639e98b2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/04301da4d87067a989f70ee56942bf9d97cd2a45"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a2d9d884e84bfd37892219b1f55847f36d8e9901"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5e22217c11424ef958ba28d03ff7167b4d7a8914"
                },
                {
                    "url": "https://git.kernel.org/stable/c/523f6268e86552a048975749251184c4e9a4b38f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e3a0ddbaf7f1f9ffc070718b417461ced3268758"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4aae44f65827f0213a7361cf9c32cfe06114473f"
                }
            ],
            "title": "pwm: lpc32xx: Remove handling of PWM channels",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}