{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-27055",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nworkqueue: Don't call cpumask_test_cpu() with -1 CPU in wq_update_node_max_active()\n\nFor wq_update_node_max_active(), @off_cpu of -1 indicates that no CPU is\ngoing down. The function was incorrectly calling cpumask_test_cpu() with -1\nCPU leading to oopses like the following on some archs:\n\n  Unable to handle kernel paging request at virtual address ffff0002100296e0\n  ..\n  pc : wq_update_node_max_active+0x50/0x1fc\n  lr : wq_update_node_max_active+0x1f0/0x1fc\n  ...\n  Call trace:\n    wq_update_node_max_active+0x50/0x1fc\n    apply_wqattrs_commit+0xf0/0x114\n    apply_workqueue_attrs_locked+0x58/0xa0\n    alloc_workqueue+0x5ac/0x774\n    workqueue_init_early+0x460/0x540\n    start_kernel+0x258/0x684\n    __primary_switched+0xb8/0xc0\n  Code: 9100a273 35000d01 53067f00 d0016dc1 (f8607a60)\n  ---[ end trace 0000000000000000 ]---\n  Kernel panic - not syncing: Attempted to kill the idle task!\n  ---[ end Kernel panic - not syncing: Attempted to kill the idle task! ]---\n\nFix it."
            }
        ]
    },
    "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": "5a70baec2294",
                                            "version_value": "7df62b8cca38"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "fc67aebe34f2",
                                            "version_value": "38c19c44cc05"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "843288afd3cc",
                                            "version_value": "9fc557d489f8"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "5797b1c18919",
                                            "version_value": "15930da42f89"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "6.6.23",
                                            "version_value": "6.6.25"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "6.8.2",
                                            "version_value": "6.8.4"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/7df62b8cca38aa452b508b477b16544cba615084",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/7df62b8cca38aa452b508b477b16544cba615084"
            },
            {
                "url": "https://git.kernel.org/stable/c/a75ac2693d734d20724f0e10e039ca85f1fcfc4e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/a75ac2693d734d20724f0e10e039ca85f1fcfc4e"
            },
            {
                "url": "https://git.kernel.org/stable/c/38c19c44cc05ec1e84d2e31a9a289b83b6c7ec85",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/38c19c44cc05ec1e84d2e31a9a289b83b6c7ec85"
            },
            {
                "url": "https://git.kernel.org/stable/c/9fc557d489f8163c1aabcb89114b8eba960f4097",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/9fc557d489f8163c1aabcb89114b8eba960f4097"
            },
            {
                "url": "https://git.kernel.org/stable/c/adc646d2126988a64234502f579e4bc2b080d7cf",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/adc646d2126988a64234502f579e4bc2b080d7cf"
            },
            {
                "url": "https://git.kernel.org/stable/c/15930da42f8981dc42c19038042947b475b19f47",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/15930da42f8981dc42c19038042947b475b19f47"
            }
        ]
    },
    "generator": {
        "engine": "bippy-a5840b7849dd"
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}