CVE-2024-6442 Bluetooth: ASCS Unchecked tailroom of the response buffer
An unchecked tailroom in the Bluetooth ASCS module allows a global buffer overflow, potentially leading to code execution 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
- None listed
What is CVE-2024-6442?
CVE-2024-6442 is a medium-severity memory corruption vulnerability in Zephyrproject Zephyr, published on 4 Oct 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In ascs_cp_rsp_add in /subsys/bluetooth/audio/ascs.c, an unchecked tailroom could lead to a global buffer overflow.
Weakness: CWE-787
Which versions are affected by CVE-2024-6442?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2024-6442?
No fix has been published for CVE-2024-6442 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-6442 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-6442 exists.
Other vulnerabilities in Zephyrproject Zephyr
- CVE-2026-5067 Out-of-bounds read/write in HTTP WebSocket upgrade via non-null-terminated Sec-WebSocket-Key
- CVE-2022-3806 Bluetooth HCI Error Handling Double Free
- CVE-2017-14199 Memory corruption in getaddrinfo
- CVE-2018-1000800 Null dereference in n/a
- CVE-2021-3329 DOS: Incorrect handling of the initial HCI ACL_MTU handshake packet leads to crash of bluetooth host layer
Sources
Also known as GHSA-m22j-ccg7-4v4h, UBUNTU-CVE-2024-6442.