CVE-2026-64179 net: wwan: iosm: fix potential memory leaks in ipc_imem_init()
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.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-64179, DEBIAN-CVE-2026-64179, GHSA-777r-4xhv-7pp2, UBUNTU-CVE-2026-64179.