CVE-2026-43177 media: ipu6: Fix RPM reference leak in probe error paths

Medium 5.5 Published Updated

A reference leak in the Linux kernel IPU6 driver probe error paths can lead to resource exhaustion and 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-2026-43177?

CVE-2026-43177 is a medium-severity denial of service vulnerability in Linux kernel, published on 6 May 2026. 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:

media: ipu6: Fix RPM reference leak in probe error paths

Several error paths in ipu6_pci_probe() were jumping directly to out_ipu6_bus_del_devices without releasing the runtime PM reference. Add pm_runtime_put_sync() before cleaning up other resources.

Which versions are affected by CVE-2026-43177?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-43177?

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-2026-43177 being exploited?

There is no known exploitation of CVE-2026-43177 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2026-43177, DEBIAN-CVE-2026-43177, GHSA-jpc7-m93r-5874, UBUNTU-CVE-2026-43177.

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