CVE-2024-56684 mailbox: mtk-cmdq: fix wrong use of sizeof in cmdq_get_clocks()

High 8.4 Published Updated

A memory corruption vulnerability in the Linux kernel's MediaTek CMDQ mailbox driver allows attackers to cause denial of service or potentially execute code.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2024-56684?

CVE-2024-56684 is a high-severity memory corruption vulnerability in Linux kernel, published on 28 Dec 2024. 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:

mailbox: mtk-cmdq: fix wrong use of sizeof in cmdq_get_clocks()

It should be size of the struct clk_bulk_data, not data pointer pass to devm_kcalloc().

Which versions are affected by CVE-2024-56684?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-56684?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-56684 being exploited?

There is no known exploitation of CVE-2024-56684 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-56684, DEBIAN-CVE-2024-56684, GHSA-f9vc-545w-6j2m, UBUNTU-CVE-2024-56684.

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