CVE-2024-57997 wifi: wcn36xx: fix channel survey memory allocation size

High 8.8 Published Updated

A memory allocation error in the wcn36xx Wi-Fi driver can lead to the use of uninitialized values, potentially causing a system crash or denial of service.

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-2024-57997?

CVE-2024-57997 is a high-severity vulnerability in Linux kernel, published on 27 Feb 2025. 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:

wifi: wcn36xx: fix channel survey memory allocation size

KASAN reported a memory allocation issue in wcn->chan_survey due to incorrect size calculation. This commit uses kcalloc to allocate memory for wcn->chan_survey, ensuring proper initialization and preventing the use of uninitialized values when there are no frames on the channel.

Weakness: CWE-908

Which versions are affected by CVE-2024-57997?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-57997?

Apply the vendor's patch.

Is CVE-2024-57997 being exploited?

There is no known exploitation of CVE-2024-57997 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2024-57997, DEBIAN-CVE-2024-57997, GHSA-cq3j-mpfm-r8ww, ROOT-OS-UBUNTU-2404-CVE-2024-57997, UBUNTU-CVE-2024-57997.

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