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  4. CVE 2022 50473 cpufreq init completion before kobjectinitandadd
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Back to active CVEs
Medium · CVSS 5.5CVE-2022-50473

cpufreq: Init completion before kobject_init_and_add()CVE-2022-50473

Answer in brief

CVE-2022-50473 records a Medium severity (CVSS 5.5) vulnerability in cpufreq: Init completion before kobject_init_and_add(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 4, 2025Updated Nov 5, 2026Source checked Nov 5, 2026First seen by HOL Nov 5, 2026Material review Nov 5, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.5
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=4ebe36c94aed95de71a8ce6a6762226d31c938ee <3cdd91a9163248935720927531066b74f57aa43b || >=4ebe36c94aed95de71a8ce6a6762226d31c938ee <e379b88a8f8cffc99b318e028705ed9e3da0e1e0 || >=4ebe36c94aed95de71a8ce6a6762226d31c938ee <8fb4c98f20dfca1237de2e3dfdbe78d156784fd3 || >=4ebe36c94aed95de71a8ce6a6762226d31c938ee <d88540acfc7a17079021d866de914112c396edb1 || >=4ebe36c94aed95de71a8ce6a6762226d31c938ee <e7c0c943ed675b66d4bbb16c51c6a3bb58da047e || >=4ebe36c94aed95de71a8ce6a6762226d31c938ee <5c51054896bcce1d33d39fead2af73fec24f40b6 || e977b1477a6725868302957e6b5c330220391797 || >=5.1.6 <5.23cdd91a9163248935720927531066b74f57aa43b, e379b88a8f8cffc99b318e028705ed9e3da0e1e0, 8fb4c98f20dfca1237de2e3dfdbe78d156784fd3, d88540acfc7a17079021d866de914112c396edb1, e7c0c943ed675b66d4bbb16c51c6a3bb58da047e, 5c51054896bcce1d33d39fead2af73fec24f40b6, 5.2
Linux/Linuxgeneric5.2Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 3cdd91a9163248935720927531066b74f57aa43b if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 4, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source 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

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-908
Source
CVE List V5
Source checked
Nov 5, 2026
References
6 linked sources
Open source record