What’s Vulnerable › Vulnerabilities

CVE-2022-50017: mips: cavium-octeon: Fix missing of_node_put() in octeon2_usb_clocks_start

• Severity: medium (CVSS 5.5 v3.1)
• 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: 2025-06-18 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: mips: cavium-octeon: Fix missing of_node_put() in octeon2_usb_clocks_start We should call of_node_put() for the reference 'uctl_node' returned by of_get_parent() which will increase the refcount. Otherwise, there will be a refcount leak bug.

Affected products

• Linux kernel: before 4.9.326; from 4.10 before 4.14.291; from 4.15 before 4.19.256; from 4.20 before 5.4.211; from 5.5 before 5.10.138; from 5.11 before 5.15.63 — fixed in 4.14.291, 4.19.256, 4.9.326, 5.10.138, 5.15.63, 5.19.4

How to fix

Upgrade to a fixed version: Linux kernel 4.14.291, 4.19.256, 4.9.326, 5.10.138. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1b49707df679b5510ed06ace7378ddc2aec5c3fb
• https://git.kernel.org/stable/c/1e39037e44d7fa3728686af146f9285ea197097d
• https://git.kernel.org/stable/c/7822d994eb9579a1df4cdbc315db090a041e50f3
• https://git.kernel.org/stable/c/7a9f743ceead60ed454c46fbc3085ee9a79cbebb
• https://git.kernel.org/stable/c/9d1afa0169a84dcd5b79901d792edeb8403684ab
• https://git.kernel.org/stable/c/a80016c40cc797c7f3e5a705b8e12ae447280335
• https://git.kernel.org/stable/c/af87a469695dc2b2419b2fdff0bf41db5265b325
• https://git.kernel.org/stable/c/c06166a484eece51916dd700a870e53356b7e1bc

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