CVE-2022-50473

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 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

Package Linux Kernel
Published 2025-10-04
Last modified 2026-01-23
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

5.5

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-908

CVE-2022-50473 is classified as CWE-908

See CWE-908 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 5.1.6, 5.2 and later are affected. Fixed in 5.4.229, 5.10.163, 5.15.87, 6.0.18, 6.1.4, 6.2 and their respective stable series.

Affected from
≥ 5.1.6 ≥ 5.2
Fixed in
✓ 5.4.229 5.4.x ✓ 5.10.163 5.10.x ✓ 5.15.87 5.15.x ✓ 6.0.18 6.0.x ✓ 6.1.4 6.1.x ✓ 6.2

References

The following references provide additional information about CVE-2022-50473 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

6 patch commits total View all on NVD

Frequently asked questions

  • What is CVE-2022-50473?

    CVE-2022-50473 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.1.6 onward and has been patched in 5.4.229, 5.10.163, 5.15.87 and others. CVE-2022-50473 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2022-50473?

    CVE-2022-50473 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2022-50473?

    Yes — CVE-2022-50473 has been patched. Fixed versions include 5.4.229, 5.10.163, 5.15.87 and others. If you are running Linux kernel 5.1.6 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2022-50473 actively exploited?

    No — CVE-2022-50473 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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