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CVE-2022-50198: ARM: OMAP2+: Fix refcount leak in omap3xxx_prm_late_init

• 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: ARM: OMAP2+: Fix refcount leak in omap3xxx_prm_late_init of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.

Affected products

• Linux kernel: from 3.18 before 4.19.256; from 4.20 before 5.4.211; from 5.5 before 5.10.137; from 5.11 before 5.15.61; from 5.16 before 5.18.18; from 5.19 before 5.19.2 — fixed in 4.19.256, 5.10.137, 5.15.61, 5.18.18, 5.19.2, 5.4.211

How to fix

Upgrade to a fixed version: Linux kernel 4.19.256, 5.10.137, 5.15.61, 5.18.18. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1bf747824a8ca4008879fd7d2ce6b03d7b428858
• https://git.kernel.org/stable/c/942228fbf5d4901112178b93d41225be7c0dd9de
• https://git.kernel.org/stable/c/c4f92af7fc8cecb8eb426ad187e39c7bcc6679c7
• https://git.kernel.org/stable/c/c652e0f51665f3fa575449909bbd9d7b45dfab1c
• https://git.kernel.org/stable/c/c9ec7993d00250a394d367c8a19fcfe8211c258b
• https://git.kernel.org/stable/c/d294d60dc68550fee0fbbe8a638d798dcd40b2c5
• https://git.kernel.org/stable/c/e5ab8a4967d68a8e9f8f4559d144207d085a8c02

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