{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-52730",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: sdio: fix possible resource leaks in some error paths\n\nIf sdio_add_func() or sdio_init_func() fails, sdio_remove_func() can\nnot release the resources, because the sdio function is not presented\nin these two cases, it won't call of_node_put() or put_device().\n\nTo fix these leaks, make sdio_func_present() only control whether\ndevice_del() needs to be called or not, then always call of_node_put()\nand put_device().\n\nIn error case in sdio_init_func(), the reference of 'card->dev' is\nnot get, to avoid redundant put in sdio_free_func_cis(), move the\nget_device() to sdio_alloc_func() and put_device() to sdio_release_func(),\nit can keep the get/put function be balanced.\n\nWithout this patch, while doing fault inject test, it can get the\nfollowing leak reports, after this fix, the leak is gone.\n\nunreferenced object 0xffff888112514000 (size 2048):\n  comm \"kworker/3:2\", pid 65, jiffies 4294741614 (age 124.774s)\n  hex dump (first 32 bytes):\n    00 e0 6f 12 81 88 ff ff 60 58 8d 06 81 88 ff ff  ..o.....`X......\n    10 40 51 12 81 88 ff ff 10 40 51 12 81 88 ff ff  .@Q......@Q.....\n  backtrace:\n    [<000000009e5931da>] kmalloc_trace+0x21/0x110\n    [<000000002f839ccb>] mmc_alloc_card+0x38/0xb0 [mmc_core]\n    [<0000000004adcbf6>] mmc_sdio_init_card+0xde/0x170 [mmc_core]\n    [<000000007538fea0>] mmc_attach_sdio+0xcb/0x1b0 [mmc_core]\n    [<00000000d4fdeba7>] mmc_rescan+0x54a/0x640 [mmc_core]\n\nunreferenced object 0xffff888112511000 (size 2048):\n  comm \"kworker/3:2\", pid 65, jiffies 4294741623 (age 124.766s)\n  hex dump (first 32 bytes):\n    00 40 51 12 81 88 ff ff e0 58 8d 06 81 88 ff ff  .@Q......X......\n    10 10 51 12 81 88 ff ff 10 10 51 12 81 88 ff ff  ..Q.......Q.....\n  backtrace:\n    [<000000009e5931da>] kmalloc_trace+0x21/0x110\n    [<00000000fcbe706c>] sdio_alloc_func+0x35/0x100 [mmc_core]\n    [<00000000c68f4b50>] mmc_attach_sdio.cold.18+0xb1/0x395 [mmc_core]\n    [<00000000d4fdeba7>] mmc_rescan+0x54a/0x640 [mmc_core]"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "3d10a1ba0d37",
                                            "version_value": "92ff03c2563c"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "2.6.33",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "2.6.33",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.14.306",
                                                        "lessThanOrEqual": "4.14.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "4.19.273",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.4.232",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.10.169",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.15.95",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.1.13",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.2",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
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                            }
                        ]
                    }
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            ]
        }
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    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/92ff03c2563c9b57a027c744750f3b7d2f261c58",
                "refsource": "MISC",
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                "name": "https://git.kernel.org/stable/c/5c7858adada31dbed042448cff6997dd6efc472a"
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                "url": "https://git.kernel.org/stable/c/761db46b29b496946046d8cb33c7ea6de6bef36e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/761db46b29b496946046d8cb33c7ea6de6bef36e"
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                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/30716d9f0fa1766e522cf24c8a456244e4fc9931"
            },
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                "url": "https://git.kernel.org/stable/c/1e06cf04239e202248c8fa356bf11449dc73cfbd",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/1e06cf04239e202248c8fa356bf11449dc73cfbd"
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                "url": "https://git.kernel.org/stable/c/f855d31bb38d663c3ba672345d7cce9324ba3b72",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/f855d31bb38d663c3ba672345d7cce9324ba3b72"
            },
            {
                "url": "https://git.kernel.org/stable/c/605d9fb9556f8f5fb4566f4df1480f280f308ded",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/605d9fb9556f8f5fb4566f4df1480f280f308ded"
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