{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53664",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-10-07T15:16:59.662Z",
        "datePublished": "2025-10-07T15:21:23.127Z",
        "dateUpdated": "2026-05-11T19:49:31.878Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:49:31.878Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nOPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate()\n\n\"opp\" pointer is dereferenced before the IS_ERR_OR_NULL() check. Fix it by\nremoving the dereference to cache opp_table and dereference it directly\nwhere opp_table is used.\n\nThis fixes the following smatch warning:\n\ndrivers/opp/core.c:232 dev_pm_opp_get_required_pstate() warn: variable\ndereferenced before IS_ERR check 'opp' (see line 230)"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/opp/core.c"
                    ],
                    "versions": [
                        {
                            "version": "84cb7ff35fcf7c0b552f553a3f2db9c3e92fc707",
                            "lessThan": "25130b27e0352acb83e91c467853eb9afad3b644",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "84cb7ff35fcf7c0b552f553a3f2db9c3e92fc707",
                            "lessThan": "7ddd8deb1c3c0363a7e14fafb5df26e2089a69a5",
                            "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/opp/core.c"
                    ],
                    "versions": [
                        {
                            "version": "6.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.5",
                            "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": "6.5",
                                    "versionEndExcluding": "6.5.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.5",
                                    "versionEndExcluding": "6.6"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/25130b27e0352acb83e91c467853eb9afad3b644"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7ddd8deb1c3c0363a7e14fafb5df26e2089a69a5"
                }
            ],
            "title": "OPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}