CVE-2024-38562 wifi: nl80211: Avoid address calculations via out of bounds array indexing

What is CVE-2024-38562?

CVE-2024-38562 is a high-severity vulnerability in Linux kernel, published on 19 Jun 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:

wifi: nl80211: Avoid address calculations via out of bounds array indexing

Before request->channels[] can be used, request->n_channels must be set. Additionally, address calculations for memory after the "channels" array need to be calculated from the allocation base ("request") rather than via the first "out of bounds" index of "channels", otherwise run-time bounds checking will throw a warning.

Weakness: CWE-129

Which versions are affected by CVE-2024-38562?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-38562?

Apply the vendor's patch.

Is CVE-2024-38562 being exploited?

There is no known exploitation of CVE-2024-38562 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2024-38562, DEBIAN-CVE-2024-38562, GHSA-wcf6-w83f-hp3h, UBUNTU-CVE-2024-38562.