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CVE-2022-49324: mips: cpc: Fix refcount leak in mips_cpc_default_phys_base

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% 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: mips: cpc: Fix refcount leak in mips_cpc_default_phys_base Add the missing of_node_put() to release the refcount incremented by of_find_compatible_node().

Affected products

• Linux kernel: before 4.14.283; from 4.15 before 4.19.247; from 4.20 before 5.4.198; from 5.5 before 5.10.122; from 5.11 before 5.15.47; from 5.16 before 5.17.15 — fixed in 4.14.283, 4.19.247, 5.10.122, 5.15.47, 5.17.15, 5.18.4

How to fix

Upgrade to a fixed version: Linux kernel 4.14.283, 4.19.247, 5.10.122, 5.15.47. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1699ec1bfb59304a788901474f6bb003f7831b61
• https://git.kernel.org/stable/c/4107fa700f314592850e2c64608f6ede4c077476
• https://git.kernel.org/stable/c/8f843cdfc202caaa5d67db3395d893e56362e43a
• https://git.kernel.org/stable/c/961ee8a6eeef4632a215d995d837b204f8c7c2d4
• https://git.kernel.org/stable/c/aae6b4bb63c694bc91714412718f15468407fe51
• https://git.kernel.org/stable/c/bed702566dcdb6ebe300bc0c62bf3600cf4d5874
• https://git.kernel.org/stable/c/c667b3872a4c435a3f29d4e15971cd8c378b0043
• https://git.kernel.org/stable/c/cc0aed22d33ced9e266c50bdf1cbe668c5acfdf8

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