CVE-2022-49437: powerpc/xive: Fix refcount leak in xive_spapr_init
First published: Wed Feb 26 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: Fix refcount leak in xive_spapr_init of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| Linux Kernel | >=4.14<5.15.46 | |
| Linux Kernel | >=5.16<5.17.14 | |
| Linux Kernel | >=5.18<5.18.3 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2022-49437?
CVE-2022-49437 is classified as a low severity vulnerability due to the nature of the refcount leak.
How do I fix CVE-2022-49437?
To fix CVE-2022-49437, apply the latest patches provided by the Linux kernel maintainers that address the refcount leak.
What systems are affected by CVE-2022-49437?
CVE-2022-49437 affects various versions of the Linux kernel, particularly those between versions 4.14 to 5.15.46, and 5.16 to 5.17.14.
What does CVE-2022-49437 impact?
CVE-2022-49437 can potentially lead to resource mismanagement in systems running the affected versions of the Linux kernel.
Is CVE-2022-49437 easy to exploit?
The exploitation of CVE-2022-49437 is considered difficult as it requires specific conditions to trigger the refcount leak.
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