CVE-2024-35933 Bluetooth: btintel: Fix null ptr deref in btintel_read_version

Medium 5.5 Published Updated

A null pointer dereference in the Linux kernel Bluetooth driver allows attackers to cause a system crash via crafted HCI commands.

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-2024-35933?

CVE-2024-35933 is a medium-severity vulnerability in Debian Debian Linux, published on 19 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: btintel: Fix null ptr deref in btintel_read_version

If hci_cmd_sync_complete() is triggered and skb is NULL, then hdev->req_skb is NULL, which will cause this issue.

Weakness: CWE-476

Which versions are affected by CVE-2024-35933?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2024-35933?

Apply the vendor's patch.

Is CVE-2024-35933 being exploited?

There is no known exploitation of CVE-2024-35933 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as BELL-CVE-2024-35933, DEBIAN-CVE-2024-35933, GHSA-5x62-xmmp-3f69, UBUNTU-CVE-2024-35933.

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