CVE-2024-35850 Bluetooth: qca: fix NULL-deref on non-serdev setup

What is CVE-2024-35850?

CVE-2024-35850 is a medium-severity vulnerability in Linux kernel, published on 17 May 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:

Bluetooth: qca: fix NULL-deref on non-serdev setup

Qualcomm ROME controllers can be registered from the Bluetooth line discipline and in this case the HCI UART serdev pointer is NULL.

Add the missing sanity check to prevent a NULL-pointer dereference when setup() is called for a non-serdev controller.

Weakness: CWE-476

Which versions are affected by CVE-2024-35850?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-35850?

Apply the vendor's patch.

Is CVE-2024-35850 being exploited?

There is no known exploitation of CVE-2024-35850 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-2024-35850, DEBIAN-CVE-2024-35850, GHSA-6x8f-vpgx-h5h9, UBUNTU-CVE-2024-35850.