{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89473",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.710Z",
        "datePublished": "2026-09-11T19:43:31.214Z",
        "dateUpdated": "2026-10-19T08:47:22.219Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:47:22.219Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq25890: Fix power_supply reference leak\n\nbq25890_fw_probe() acquires a reference to a secondary charger using\npower_supply_get_by_name(), but the reference is not released on later\nprobe failures or on driver detach.\n\nIn particular, failures after bq25890_fw_probe() returns successfully,\nsuch as a failure in bq25890_hw_init(), also leak the reference.\n\nRegister a device-managed cleanup action immediately after acquiring\nthe secondary charger. This releases the reference on all subsequent\nprobe failures and on driver detach.\n\nFound by code review."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/power/supply/bq25890_charger.c"
                    ],
                    "versions": [
                        {
                            "version": "d54bf877fd878ee45cbc88d399fb98b0b1c4484d",
                            "lessThan": "976c10d883a02968f3f58be0cee499d1fd2ba68a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d54bf877fd878ee45cbc88d399fb98b0b1c4484d",
                            "lessThan": "81b558afda9321c1a70971a39071d156f3e26950",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d54bf877fd878ee45cbc88d399fb98b0b1c4484d",
                            "lessThan": "238320ad029a3eedabb86286a28cab55bca629b9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d54bf877fd878ee45cbc88d399fb98b0b1c4484d",
                            "lessThan": "58f1025eca92734eadc063715b98f62538286468",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d54bf877fd878ee45cbc88d399fb98b0b1c4484d",
                            "lessThan": "863c32a83e4235eb0cbf6106f2b124e645302156",
                            "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/power/supply/bq25890_charger.c"
                    ],
                    "versions": [
                        {
                            "version": "6.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "6.3",
                                    "versionEndExcluding": "6.6.157"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "6.12.109"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "6.18.50"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "7.2.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/976c10d883a02968f3f58be0cee499d1fd2ba68a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/81b558afda9321c1a70971a39071d156f3e26950"
                },
                {
                    "url": "https://git.kernel.org/stable/c/238320ad029a3eedabb86286a28cab55bca629b9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/58f1025eca92734eadc063715b98f62538286468"
                },
                {
                    "url": "https://git.kernel.org/stable/c/863c32a83e4235eb0cbf6106f2b124e645302156"
                }
            ],
            "title": "power: supply: bq25890: Fix power_supply reference leak",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}