CVE-2022-50823 clk: tegra: Fix refcount leak in tegra114_clock_init
A refcount leak in the Linux kernel Tegra clock driver can lead to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-50823?
CVE-2022-50823 is a memory corruption vulnerability in Linux, published on 30 Dec 2025.
Official description
In the Linux kernel, the following vulnerability has been resolved:
clk: tegra: Fix refcount leak in tegra114_clock_init
of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.
Which versions are affected by CVE-2022-50823?
How do I fix CVE-2022-50823?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-50823 being exploited?
There is no known exploitation of CVE-2022-50823 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2022-50823, GHSA-34vm-p5v7-6w29, UBUNTU-CVE-2022-50823.