What’s Vulnerable › Vulnerabilities

CVE-2022-49457: ARM: versatile: Add missing of_node_put in dcscb_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: ARM: versatile: Add missing of_node_put in dcscb_init The device_node pointer is returned by of_find_compatible_node with refcount incremented. We should use of_node_put() to avoid the refcount leak.

Affected products

• Linux kernel: before 4.9.318; from 4.10 before 4.14.283; from 4.15 before 4.19.247; from 4.20 before 5.4.198; from 5.5 before 5.10.121; from 5.11 before 5.15.46 — fixed in 4.14.283, 4.19.247, 4.9.318, 5.10.121, 5.15.46, 5.17.14

How to fix

Upgrade to a fixed version: Linux kernel 4.14.283, 4.19.247, 4.9.318, 5.10.121. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/23b44f9c649bbef10b45fa33080cd8b4166800ae
• https://git.kernel.org/stable/c/2d7b23db35254b7d46e852967090c64cdccf24da
• https://git.kernel.org/stable/c/3c6006faed9aba5144b33176d061031a9be66954
• https://git.kernel.org/stable/c/83c329b980bddbc8c6a3d287d91f2103a4d4a860
• https://git.kernel.org/stable/c/a0fc05cd17617e63fc13ad0c01f3f0afd890d8ec
• https://git.kernel.org/stable/c/bbdfb7d4f036118d36415a2575efa6f5246505ae
• https://git.kernel.org/stable/c/d146e2a9864ade19914494de3fb520390b415d58
• https://git.kernel.org/stable/c/d6de7b181c29cd4578ec139aafb5eac062abbe1b
• https://git.kernel.org/stable/c/fcd1999ba97445a12cc394f5f42ffd9116bf0185

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