CVE-2022-50449 clk: samsung: Fix memory leak in _samsung_clk_register_pll()
A memory leak in the Samsung clock driver can lead to resource exhaustion and denial of service if clock registration fails.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-50449?
CVE-2022-50449 is a medium-severity denial of service vulnerability in Linux kernel, published on 1 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
clk: samsung: Fix memory leak in _samsung_clk_register_pll()
If clk_register() fails, @pll->rate_table may have allocated memory by kmemdup(), so it needs to be freed, otherwise will cause memory leak issue, this patch fixes it.
Weakness: CWE-401
Which versions are affected by CVE-2022-50449?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-50449?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-50449 being exploited?
There is no known exploitation of CVE-2022-50449 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-50449, GHSA-rxr7-x8x4-f7cc, UBUNTU-CVE-2022-50449.