CVE-2026-64179 net: wwan: iosm: fix potential memory leaks in ipc_imem_init()

Medium 5.5 Published Updated

A memory leak in the Linux kernel WWAN driver allows attackers to cause denial of service by triggering error paths in initialization.

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-2026-64179?

CVE-2026-64179 is a medium-severity denial of service vulnerability in Linux kernel, published on 19 Jul 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:

net: wwan: iosm: fix potential memory leaks in ipc_imem_init()

The memory allocated in ipc_protocol_init() is not freed on the error paths that follow in ipc_imem_init(). Fix that by calling the corresponding release function ipc_protocol_deinit() in the error path.

Weakness: CWE-401

Which versions are affected by CVE-2026-64179?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-64179?

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-2026-64179 being exploited?

There is no known exploitation of CVE-2026-64179 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2026-64179, DEBIAN-CVE-2026-64179, GHSA-777r-4xhv-7pp2, UBUNTU-CVE-2026-64179.

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