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CVE-2022-50473

5.5 · MEDIUM

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 cpufre…

Published Oct 4, 2025CWE-908EPSS 0.16%

Overview

CVE-2022-50473 is a medium-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/3cdd91a9163248935720927531066b74f57aa43bRefgit.kernel.org/stable/c/5c51054896bcce1d33d39fead2af73fec24f40b6Refgit.kernel.org/stable/c/8fb4c98f20dfca1237de2e3dfdbe78d156784fd3Refgit.kernel.org/stable/c/d88540acfc7a17079021d866de914112c396edb1Refgit.kernel.org/stable/c/e379b88a8f8cffc99b318e028705ed9e3da0e1e0Refgit.kernel.org/stable/c/e7c0c943ed675b66d4bbb16c51c6a3bb58da047e

How CyberStrike helps

Frequently asked questions

What is CVE-2022-50473?

CVE-2022-50473 is a medium-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-50473?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-50473?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-50473?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-50473 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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