What’s Vulnerable › Vulnerabilities

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

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-08 · updated 2026-06-17

Description

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.

Affected products

• Linux kernel: 4.16 — fixed in 6.1

How to fix

Upgrade to a fixed version: Linux kernel 6.1. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1e0bee973ef6fc3c1e3acb014515eaea37c8fa17
• https://git.kernel.org/stable/c/62f0a08e82a6312efd7df7f595c0b11d4ffde610
• https://git.kernel.org/stable/c/728884b22d83148a330b23f9472f1e118b589211
• https://git.kernel.org/stable/c/846e677daf51220d7975c61a20e440a88473951e
• https://git.kernel.org/stable/c/94423589689124e8cd145b38a1034be7f25835b2
• https://git.kernel.org/stable/c/fda2d07234a21be4d71ebfe97a45f499726902d6

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