irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions
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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49716.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49716