CVE-2022-49245 ASoC: rockchip: Fix PM usage reference of rockchip_i2s_tdm_resume

Medium 5.5 Published Updated

A reference leak in the Rockchip I2S TDM driver can cause resource exhaustion, leading to denial of service.

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-2022-49245?

CVE-2022-49245 is a medium-severity denial of service vulnerability in Linux kernel, published on 26 Feb 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:

ASoC: rockchip: Fix PM usage reference of rockchip_i2s_tdm_resume

pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. We fix it by replacing it with pm_runtime_resume_and_get to keep usage counter balanced.

Which versions are affected by CVE-2022-49245?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49245?

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-2022-49245 being exploited?

There is no known exploitation of CVE-2022-49245 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-49245, GHSA-v73c-jpvx-3fwx, ROOT-OS-UBUNTU-2204-CVE-2022-49245, UBUNTU-CVE-2022-49245.

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