CVE-2022-50473

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

04/10/2025

Last modified:

23/01/2026

Description

In the Linux kernel, the following vulnerability has been resolved: cpufreq: Init completion before kobject_init_and_add() In cpufreq_policy_alloc(), it will call uninitialed completion in cpufreq_sysfs_release() when kobject_init_and_add() fails. And that will cause a crash such as the following page fault in complete: BUG: unable to handle page fault for address: fffffffffffffff8 [..] RIP: 0010:complete+0x98/0x1f0 [..] Call Trace: kobject_put+0x1be/0x4c0 cpufreq_online.cold+0xee/0x1fd cpufreq_add_dev+0x183/0x1e0 subsys_interface_register+0x3f5/0x4e0 cpufreq_register_driver+0x3b7/0x670 acpi_cpufreq_init+0x56c/0x1000 [acpi_cpufreq] do_one_initcall+0x13d/0x780 do_init_module+0x1c3/0x630 load_module+0x6e67/0x73b0 __do_sys_finit_module+0x181/0x240 do_syscall_64+0x35/0x80 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.1.6 (including)	5.4.229 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.163 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.87 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.0.18 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.1 (including)	6.1.4 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2022-50473

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools