What’s Vulnerable › Vulnerabilities

CVE-2022-49716: irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions

• 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-v3: Fix error handling in gic_populate_ppi_partitions of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. When kcalloc fails, it missing of_node_put() and results in refcount leak. Fix this by goto out_put_node label.

Affected products

• Linux kernel: from 5.4 before 5.4.200; from 5.5 before 5.10.124; from 5.11 before 5.15.49; from 5.16 before 5.18.6; 5.19-rc1, 5.19-rc2 — fixed in 5.10.124, 5.15.49, 5.18.6, 5.4.200

How to fix

Upgrade to a fixed version: Linux kernel 5.10.124, 5.15.49, 5.18.6, 5.4.200. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0b325d993995a321f6ab4e6c51f0504ec092bf5b
• https://git.kernel.org/stable/c/58e67c81e229351027d28c610638378606e33a08
• https://git.kernel.org/stable/c/7c9dd9d23f26dabcfb14148b9acdfba540418b19
• https://git.kernel.org/stable/c/c83c34c57798fc41faefcf078be78683db2f4beb
• https://git.kernel.org/stable/c/ec8401a429ffee34ccf38cebf3443f8d5ae6cb0d

Get alerted when CVE-2022-49716 or the next vulnerability affects your stack