{"id":"CVE-2022-50473","title":"cpufreq: Init completion before kobject_init_and_add()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: Init completion before kobject_init_and_add()\n\nIn cpufreq_policy_alloc(), it will call uninitialed completion in\ncpufreq_sysfs_release() when kobject_init_and_…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 4ebe36c94aed95de71a8ce6a6762226d31c938ee < 3cdd91a9163248935720927531066b74f57aa43b","Linux >= 4ebe36c94aed95de71a8ce6a6762226d31c938ee < e379b88a8f8cffc99b318e028705ed9e3da0e1e0","Linux >= 4ebe36c94aed95de71a8ce6a6762226d31c938ee < 8fb4c98f20dfca1237de2e3dfdbe78d156784fd3","Linux >= 4ebe36c94aed95de71a8ce6a6762226d31c938ee < d88540acfc7a17079021d866de914112c396edb1","Linux >= 4ebe36c94aed95de71a8ce6a6762226d31c938ee < e7c0c943ed675b66d4bbb16c51c6a3bb58da047e","Linux >= 4ebe36c94aed95de71a8ce6a6762226d31c938ee < 5c51054896bcce1d33d39fead2af73fec24f40b6","Linux e977b1477a6725868302957e6b5c330220391797","Linux >= 5.1.6 < 5.2","Linux 5.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:11:42.540580Z"},"published":"2025-10-04","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:20:47.562Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50473","references":[{"url":"https://git.kernel.org/stable/c/3cdd91a9163248935720927531066b74f57aa43b"},{"url":"https://git.kernel.org/stable/c/e379b88a8f8cffc99b318e028705ed9e3da0e1e0"},{"url":"https://git.kernel.org/stable/c/8fb4c98f20dfca1237de2e3dfdbe78d156784fd3"},{"url":"https://git.kernel.org/stable/c/d88540acfc7a17079021d866de914112c396edb1"},{"url":"https://git.kernel.org/stable/c/e7c0c943ed675b66d4bbb16c51c6a3bb58da047e"},{"url":"https://git.kernel.org/stable/c/5c51054896bcce1d33d39fead2af73fec24f40b6"}],"tags":["cve.org"],"epss":0.0016,"epssPercentile":0.05147,"ingestedAt":"2026-11-05T22:38:31.739Z","slug":"CVE-2022-50473","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: Init completion before kobject_init_and_add()\n\nIn cpufreq_policy_alloc(), it will call uninitialed completion in\ncpufreq_sysfs_release() when kobject_init_and_add() fails. And\nthat will cause a crash such as the following page fault in complete:\n\nBUG: unable to handle page fault for address: fffffffffffffff8\n[..]\nRIP: 0010:complete+0x98/0x1f0\n[..]\nCall Trace:\n kobject_put+0x1be/0x4c0\n cpufreq_online.cold+0xee/0x1fd\n cpufreq_add_dev+0x183/0x1e0\n subsys_interface_register+0x3f5/0x4e0\n cpufreq_register_driver+0x3b7/0x670\n acpi_cpufreq_init+0x56c/0x1000 [acpi_cpufreq]\n do_one_initcall+0x13d/0x780\n do_init_module+0x1c3/0x630\n load_module+0x6e67/0x73b0\n __do_sys_finit_module+0x181/0x240\n do_syscall_64+0x35/0x80\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\n## Affected\n\n- `Linux >= 4ebe36c94aed95de71a8ce6a6762226d31c938ee < 3cdd91a9163248935720927531066b74f57aa43b`\n- `Linux >= 4ebe36c94aed95de71a8ce6a6762226d31c938ee < e379b88a8f8cffc99b318e028705ed9e3da0e1e0`\n- `Linux >= 4ebe36c94aed95de71a8ce6a6762226d31c938ee < 8fb4c98f20dfca1237de2e3dfdbe78d156784fd3`\n- `Linux >= 4ebe36c94aed95de71a8ce6a6762226d31c938ee < d88540acfc7a17079021d866de914112c396edb1`\n- `Linux >= 4ebe36c94aed95de71a8ce6a6762226d31c938ee < e7c0c943ed675b66d4bbb16c51c6a3bb58da047e`\n- `Linux >= 4ebe36c94aed95de71a8ce6a6762226d31c938ee < 5c51054896bcce1d33d39fead2af73fec24f40b6`\n- `Linux e977b1477a6725868302957e6b5c330220391797`\n- `Linux >= 5.1.6 < 5.2`\n- `Linux 5.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}