CVE-2022-49715: irqchip/gic-v3: Fix refcount leak in gic_populate_ppi_partitions
In the Linux kernel, the following vulnerability has been resolved:
irqchip/gic-v3: Fix refcount leak in gicpopulateppipartitions
offindnodebyphandle() returns a node pointer with refcount incremented, we should use ofnodeput() on it when not need anymore. Add missing ofnodeput() to avoid refcount leak.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2022-49715?
CVE-2022-49715 is categorized as medium severity due to a refcount leak in the GICv3 IRQ chip handling.
How do I fix CVE-2022-49715?
To fix CVE-2022-49715, update the Linux kernel to a version that incorporates the patch addressing the refcount leak.
Which versions of the Linux Kernel are affected by CVE-2022-49715?
CVE-2022-49715 affects multiple versions of the Linux kernel prior to the patch that resolves the refcount leak.
What systems are impacted by CVE-2022-49715?
Any system running an affected version of the Linux kernel utilizing the GICv3 IRQ chip can be impacted by CVE-2022-49715.
Is CVE-2022-49715 exploitable?
CVE-2022-49715 can potentially be exploited in certain conditions, leading to memory management issues.