CVE-2024-46833 net: hns3: void array out of bound when loop tnl_num

High 7.8 Published Updated

A missing bounds check in the HNS3 network driver allows an array out-of-bounds access, potentially leading to system crashes or code execution.

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-2024-46833?

CVE-2024-46833 is a high-severity memory corruption vulnerability in Linux kernel, published on 27 Sep 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:

net: hns3: void array out of bound when loop tnl_num

When query reg inf of SSU, it loops tnl_num times. However, tnl_num comes from hardware and the length of array is a fixed value. To void array out of bound, make sure the loop time is not greater than the length of array

Weakness: CWE-129

Which versions are affected by CVE-2024-46833?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-46833?

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-2024-46833 being exploited?

There is no known exploitation of CVE-2024-46833 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-46833, DEBIAN-CVE-2024-46833, GHSA-q973-qv3f-rvgr, ROOT-OS-UBUNTU-2204-CVE-2024-46833, ROOT-OS-UBUNTU-2404-CVE-2024-46833, UBUNTU-CVE-2024-46833.

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