What’s Vulnerable › Vulnerabilities

CVE-2022-49719: irqchip/gic/realview: Fix refcount leak in realview_gic_of_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: irqchip/gic/realview: Fix refcount leak in realview_gic_of_init of_find_matching_node_and_match() 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 4.6 before 4.9.320; from 4.10 before 4.14.285; from 4.15 before 4.19.249; from 4.20 before 5.4.200; from 5.5 before 5.10.124; from 5.11 before 5.15.49 — fixed in 4.14.285, 4.19.249, 4.9.320, 5.10.124, 5.15.49, 5.18.6

How to fix

Upgrade to a fixed version: Linux kernel 4.14.285, 4.19.249, 4.9.320, 5.10.124. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/16b603cb8d34c2d917983918db1f88c8b831baaa
• https://git.kernel.org/stable/c/486f68f85085d9b16ae097679b1486dcb1b6eb69
• https://git.kernel.org/stable/c/56526c3883fc7a1f5898b1d40a02c8b8685a5d92
• https://git.kernel.org/stable/c/5d38720661a4b9c87705c206a6081177ffb8ec1d
• https://git.kernel.org/stable/c/87da903ce632d5689bef66d56ee5dae700d82104
• https://git.kernel.org/stable/c/b634af84bc1edece4e63317b0ad95618dd3a8693
• https://git.kernel.org/stable/c/e52a58b79f11755ea7e877015c4a1704303fa55f
• https://git.kernel.org/stable/c/f4b98e314888cc51486421bcf6d52852452ea48b

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