{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-26587",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: netdevsim: don't try to destroy PHC on VFs\n\nPHC gets initialized in nsim_init_netdevsim(), which\nis only called if (nsim_dev_port_is_pf()).\n\nCreate a counterpart of nsim_init_netdevsim() and\nmove the mock_phc_destroy() there.\n\nThis fixes a crash trying to destroy netdevsim with\nVFs instantiated, as caught by running the devlink.sh test:\n\n    BUG: kernel NULL pointer dereference, address: 00000000000000b8\n    RIP: 0010:mock_phc_destroy+0xd/0x30\n    Call Trace:\n     <TASK>\n     nsim_destroy+0x4a/0x70 [netdevsim]\n     __nsim_dev_port_del+0x47/0x70 [netdevsim]\n     nsim_dev_reload_destroy+0x105/0x120 [netdevsim]\n     nsim_drv_remove+0x2f/0xb0 [netdevsim]\n     device_release_driver_internal+0x1a1/0x210\n     bus_remove_device+0xd5/0x120\n     device_del+0x159/0x490\n     device_unregister+0x12/0x30\n     del_device_store+0x11a/0x1a0 [netdevsim]\n     kernfs_fop_write_iter+0x130/0x1d0\n     vfs_write+0x30b/0x4b0\n     ksys_write+0x69/0xf0\n     do_syscall_64+0xcc/0x1e0\n     entry_SYSCALL_64_after_hwframe+0x6f/0x77"
            }
        ]
    },
    "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": "b63e78fca889",
                                            "version_value": "08aca65997fb"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "6.6",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "6.6",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.6.14",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.7.2",
                                                        "lessThanOrEqual": "6.7.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.8",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/08aca65997fb6f233066883b1f1e653bcb1f26ca",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/08aca65997fb6f233066883b1f1e653bcb1f26ca"
            },
            {
                "url": "https://git.kernel.org/stable/c/c5068e442eed063d2f1658e6b6d3c1c6fcf1e588",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/c5068e442eed063d2f1658e6b6d3c1c6fcf1e588"
            },
            {
                "url": "https://git.kernel.org/stable/c/ea937f77208323d35ffe2f8d8fc81b00118bfcda",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/ea937f77208323d35ffe2f8d8fc81b00118bfcda"
            }
        ]
    },
    "generator": {
        "engine": "bippy-a5840b7849dd"
    }
}