CVE-2023-54205
Published Dec 30, 2025
Modified Apr 15, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: pinctrl: stm32: Fix refcount leak in stm32_pctrl_get_irq_domain of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. Add missing of_node_put() to avoid refcount leak.
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References
Other References
https://git.kernel.org/stable/c/601be03fa8b81747a154bdef9b559411a5b921e8
https://git.kernel.org/stable/c/8ab860dd8717a7e4a143988885fea0d7e5a9412e
https://git.kernel.org/stable/c/95ab6d7905ebb52dc2ed6357c38e536753824068
https://git.kernel.org/stable/c/9ae053d1eb87875d56f95b6a123a69827225a70e
https://git.kernel.org/stable/c/af54707c0ccab52b3d532402436ea101011a9299
https://git.kernel.org/stable/c/dcef18c8ac40aa85bb339f64c1dd31dd458b06fb
Frequently Asked Questions
What is CVE-2023-54205? +
In the Linux kernel, the following vulnerability has been resolved:
pinctrl: stm32: Fix refcount leak in stm32_pctrl_get_irq_domain
of_irq_find_parent() returns a node pointer with refcount incremented,
We should use of_node_put() on it when not needed anymore.
Add missing of_node_put() to avoid refcount leak.
How do I check if I'm vulnerable to CVE-2023-54205? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.