{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-52860",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers/perf: hisi: use cpuhp_state_remove_instance_nocalls() for hisi_hns3_pmu uninit process\n\nWhen tearing down a 'hisi_hns3' PMU, we mistakenly run the CPU hotplug\ncallbacks after the device has been unregistered, leading to fireworks\nwhen we try to execute empty function callbacks within the driver:\n\n  | Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n  | CPU: 0 PID: 15 Comm: cpuhp/0 Tainted: G        W  O      5.12.0-rc4+ #1\n  | Hardware name:  , BIOS KpxxxFPGA 1P B600 V143 04/22/2021\n  | pstate: 80400009 (Nzcv daif +PAN -UAO -TCO BTYPE=--)\n  | pc : perf_pmu_migrate_context+0x98/0x38c\n  | lr : perf_pmu_migrate_context+0x94/0x38c\n  |\n  | Call trace:\n  |  perf_pmu_migrate_context+0x98/0x38c\n  |  hisi_hns3_pmu_offline_cpu+0x104/0x12c [hisi_hns3_pmu]\n\nUse cpuhp_state_remove_instance_nocalls() instead of\ncpuhp_state_remove_instance() so that the notifiers don't execute after\nthe PMU device has been unregistered.\n\n[will: Rewrote commit message]"
            }
        ]
    },
    "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": "66637ab137b4",
                                            "version_value": "4589403a343b"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "6.0",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "6.0",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.1.63",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.5.12",
                                                        "lessThanOrEqual": "6.5.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.6.2",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.7",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/4589403a343bb0c72a6faf5898386ff964d4e01a",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/4589403a343bb0c72a6faf5898386ff964d4e01a"
            },
            {
                "url": "https://git.kernel.org/stable/c/3f5827371763f2d9c70719c270055a81d030f3d0",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/3f5827371763f2d9c70719c270055a81d030f3d0"
            },
            {
                "url": "https://git.kernel.org/stable/c/d04ff5437a45f275db5530efb49b68d0ec851f6f",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/d04ff5437a45f275db5530efb49b68d0ec851f6f"
            },
            {
                "url": "https://git.kernel.org/stable/c/50b560783f7f71790bcf70e9e9855155fb0af8c1",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/50b560783f7f71790bcf70e9e9855155fb0af8c1"
            }
        ]
    },
    "generator": {
        "engine": "bippy-a5840b7849dd"
    }
}