CVE-2023-4265 Buffer overflow in Zephyr USB

What is CVE-2023-4265?

CVE-2023-4265 is a medium-severity memory corruption vulnerability in Zephyrproject Zephyr, published on 12 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Potential buffer overflow vulnerabilities in the following locations: https://github.com/zephyrproject-rtos/zephyr/blob/main/drivers/usb/device/usb_dc_native_posix.c#L359 https://github.com/zephyrproject-rtos/zephyr/blob/main/drivers/usb/device/usb_dc_native_posix.c#L359 https://github.com/zephyrproject-rtos/zephyr/blob/main/subsys/usb/device/class/netusb/function_rndis... https://github.com/zephyrproject-rtos/zephyr/blob/main/subsys/usb/device/class/netusb/function_rndis.c#L841

Weakness: CWE-120

Which versions are affected by CVE-2023-4265?

It affects 1 product.

Products include Zephyrproject Zephyr.

How do I fix CVE-2023-4265?

No fix has been published for CVE-2023-4265 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-2023-4265 being exploited?

There is no known exploitation of CVE-2023-4265 in the wild and no public exploit code.

Other vulnerabilities in Zephyrproject Zephyr

• CVE-2026-5067 Out-of-bounds read/write in HTTP WebSocket upgrade via non-null-terminated Sec-WebSocket-Key Critical 9.8
• CVE-2022-3806 Bluetooth HCI Error Handling Double Free Critical 9.8
• CVE-2017-14199 Memory corruption in getaddrinfo Critical 9.8
• CVE-2018-1000800 Null dereference in n/a Critical 9.8
• CVE-2021-3329 DOS: Incorrect handling of the initial HCI ACL_MTU handshake packet leads to crash of bluetooth host layer Critical 9.6

All Zephyrproject Zephyr vulnerabilities

Sources

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

Also known as GHSA-4vgv-5r6q-r6xh.