CVE-2025-38304 Bluetooth: Fix NULL pointer deference on eir_get_service_data

What is CVE-2025-38304?

CVE-2025-38304 is a medium-severity vulnerability in Debian Debian Linux, published on 10 Jul 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:

Bluetooth: Fix NULL pointer deference on eir_get_service_data

The len parameter is considered optional so it can be NULL so it cannot be used for skipping to next entry of EIR_SERVICE_DATA.

Weakness: CWE-476

Which versions are affected by CVE-2025-38304?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2025-38304?

Apply the vendor's patch.

Is CVE-2025-38304 being exploited?

There is no known exploitation of CVE-2025-38304 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as AZL-64949, BELL-CVE-2025-38304, DEBIAN-CVE-2025-38304, GHSA-jm43-6rg5-9g9c, ROOT-OS-DEBIAN-12-CVE-2025-38304, ROOT-OS-UBUNTU-2404-CVE-2025-38304 and 1 more.