What’s Vulnerable › Vulnerabilities

CVE-2022-49415: ipmi:ipmb: Fix refcount leak in ipmi_ipmb_probe

• 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: 2025-02-26 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: ipmi:ipmb: Fix refcount leak in ipmi_ipmb_probe of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.

Affected products

• Linux kernel: from 5.18 before 5.18.3 — fixed in 5.18.3

How to fix

Upgrade to a fixed version: Linux kernel 5.18.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/a508e33956b538e034ed5df619a73ec7c15bda72
• https://git.kernel.org/stable/c/f22068357acc268148bd55ce77f0a3e5c86701b4

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