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CVE Record

CVE-2022-50624: net: netsec: fix error handling in netsec_register_mdio()

In the Linux kernel, the following vulnerability has been resolved: net: netsec: fix error handling in netsec_register_mdio() If phy_device_register() fails, phy_device_free() need be called to put refcount, so memory of phy device and device name can be freed in callback function. If get_phy_device() fails, mdiobus_unregister() need be called, or it will cause warning in mdiobus_free() and kobject is leaked.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2022-50624 is a Linux kernel flaw in error handling for the netsec network driver’s MDIO registration path. When certain setup operations fail, the kernel may leak memory or kernel objects. The public record does not provide CVSS severity, active exploitation evidence, or a broad remote attack scenario.

Executive priority

Handle as routine kernel hygiene unless your environment relies on the netsec driver. There is no cited active exploitation or severity score, but kernel resource leaks should be corrected through normal patch cycles, especially on network-facing or embedded systems.

Technical view

In netsec_register_mdio(), failed phy_device_register() must call phy_device_free() to release references and names. Failed get_phy_device() must call mdiobus_unregister(); otherwise mdiobus_free() can warn and leak a kobject. Stable kernel commits are referenced as the resolution.

Likely exposure

Likely limited to Linux systems running affected kernel versions where the netsec network driver and MDIO registration path are present or used. The provided record lists Linux as affected but does not identify distributions, devices, or deployed configurations.

Exploitation context

No CISA KEV listing is provided, and the source bundle cites no active exploitation. The issue appears tied to driver initialization error paths, but the sources do not establish attacker prerequisites, remote reachability, or practical exploitability.

Researcher notes

The record is sparse: no CVSS, CWE, exploitability assessment, or distro matrix. Analysis should focus on the referenced stable commits and whether downstream kernels backported the error-handling changes in netsec_register_mdio().

Mitigation direction

  • Check your Linux vendor’s advisory or kernel package notes for CVE-2022-50624.
  • Update to a kernel containing the referenced stable fixes when available.
  • Prioritize systems using the netsec driver or affected embedded/network platforms.
  • Track distribution backports rather than relying only on upstream version numbers.

Validation and detection

  • Inventory Linux kernel versions across affected fleets.
  • Identify systems where the netsec driver is built, loaded, or required.
  • Confirm vendor kernels include one of the referenced stable fixes or equivalent backport.
  • Review kernel logs for related MDIO or netsec initialization warnings.
Prepared
Confidence
medium
Sources
8

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2022-50624 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
7Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux533dd11a12f698c571a12271b20f235792d3e148, 533dd11a12f698c571a12271b20f235792d3e148, 533dd11a12f698c571a12271b20f235792d3e148, 533dd11a12f698c571a12271b20f235792d3e148, 533dd11a12f698c571a12271b20f235792d3e148, 533dd11a12f698c571a12271b20f235792d3e148unaffected
LinuxLinux4.16, 0, 4.19.264, 5.4.223, 5.10.153, 5.15.77, 6.0.7, 6.1affected
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.