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CVE-2022-49382: soc: rockchip: Fix refcount leak in rockchip_grf_init

• 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: soc: rockchip: Fix refcount leak in rockchip_grf_init of_find_matching_node_and_match 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 4.11 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/042571fe1d171773655ad706715ecc865913d9a4
• https://git.kernel.org/stable/c/28133325526b92921f3269fdf97a20d90b92b217
• https://git.kernel.org/stable/c/5b3e990f85eb034faa461e691e719e8ce9e2a3c8
• https://git.kernel.org/stable/c/69a30b2ed620c2206cbbd1e9c112e4fc584e02bd
• https://git.kernel.org/stable/c/8f64e84924604bb969ee1fbc4b8d7d09b9214889
• https://git.kernel.org/stable/c/9b59588d8be91c96bfb0371e912ceb4f16315dbf
• https://git.kernel.org/stable/c/aab25b669cb9fd3698c2631be4435f4fe92d9e59
• https://git.kernel.org/stable/c/d5422f323858cad3ac3581075f9a3a5e0d41c0d8

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