{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2022-48942",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: Handle failure to register sensor with thermal zone correctly\n\nIf an attempt is made to a sensor with a thermal zone and it fails,\nthe call to devm_thermal_zone_of_sensor_register() may return -ENODEV.\nThis may result in crashes similar to the following.\n\nUnable to handle kernel NULL pointer dereference at virtual address 00000000000003cd\n...\nInternal error: Oops: 96000021 [#1] PREEMPT SMP\n...\npstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : mutex_lock+0x18/0x60\nlr : thermal_zone_device_update+0x40/0x2e0\nsp : ffff800014c4fc60\nx29: ffff800014c4fc60 x28: ffff365ee3f6e000 x27: ffffdde218426790\nx26: ffff365ee3f6e000 x25: 0000000000000000 x24: ffff365ee3f6e000\nx23: ffffdde218426870 x22: ffff365ee3f6e000 x21: 00000000000003cd\nx20: ffff365ee8bf3308 x19: ffffffffffffffed x18: 0000000000000000\nx17: ffffdde21842689c x16: ffffdde1cb7a0b7c x15: 0000000000000040\nx14: ffffdde21a4889a0 x13: 0000000000000228 x12: 0000000000000000\nx11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000\nx8 : 0000000001120000 x7 : 0000000000000001 x6 : 0000000000000000\nx5 : 0068000878e20f07 x4 : 0000000000000000 x3 : 00000000000003cd\nx2 : ffff365ee3f6e000 x1 : 0000000000000000 x0 : 00000000000003cd\nCall trace:\n mutex_lock+0x18/0x60\n hwmon_notify_event+0xfc/0x110\n 0xffffdde1cb7a0a90\n 0xffffdde1cb7a0b7c\n irq_thread_fn+0x2c/0xa0\n irq_thread+0x134/0x240\n kthread+0x178/0x190\n ret_from_fork+0x10/0x20\nCode: d503201f d503201f d2800001 aa0103e4 (c8e47c02)\n\nJon Hunter reports that the exact call sequence is:\n\nhwmon_notify_event()\n  --> hwmon_thermal_notify()\n    --> thermal_zone_device_update()\n      --> update_temperature()\n        --> mutex_lock()\n\nThe hwmon core needs to handle all errors returned from calls\nto devm_thermal_zone_of_sensor_register(). If the call fails\nwith -ENODEV, report that the sensor was not attached to a\nthermal zone  but continue to register the hwmon device."
            }
        ]
    },
    "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": "1597b374af22",
                                            "version_value": "962b2a3188bf"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.8",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "5.8",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.10.103",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.15.26",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.16.12",
                                                        "lessThanOrEqual": "5.16.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.17",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/962b2a3188bfa5388756ffbc47dfa5ff59cb8011",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/962b2a3188bfa5388756ffbc47dfa5ff59cb8011"
            },
            {
                "url": "https://git.kernel.org/stable/c/7efe8499cb90651c540753f4269d2d43ede14223",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/7efe8499cb90651c540753f4269d2d43ede14223"
            },
            {
                "url": "https://git.kernel.org/stable/c/8a1969e14ad93663f9a3ed02ccc2138da9956a0e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/8a1969e14ad93663f9a3ed02ccc2138da9956a0e"
            },
            {
                "url": "https://git.kernel.org/stable/c/1b5f517cca36292076d9e38fa6e33a257703e62e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/1b5f517cca36292076d9e38fa6e33a257703e62e"
            }
        ]
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        "engine": "bippy-c9c4e1df01b2"
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}