CVE-2022-48948 Information

Description

In the Linux kernel the following vulnerability has been resolved:

usb: gadget: uvc: Prevent buffer overflow in setup handler

Setup function uvc_function_setup permits control transfer requests with up to 64 bytes of payload (UVC_MAX_REQUEST_SIZE) data stage handler for OUT transfer uses memcpy to copy req->actual bytes to uvc_event->data.data array of size 60. This may result in an overflow of 4 bytes.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://git.kernel.org/stable/c/4972e3528b968665b596b5434764ff8fd9446d35 https://git.kernel.org/stable/c/06fd17ee92c8f1704c7e54ec0fd50ae0542a49a5 https://git.kernel.org/stable/c/bc8380fe5768c564f921f7b4eaba932e330b9e4b https://git.kernel.org/stable/c/b8fb1cba934ea122b50f13a4f9d6fc4fdc43d2be https://git.kernel.org/stable/c/c79538f32df12887f110dcd6b9c825b482905f24 https://git.kernel.org/stable/c/6b41a35b41f77821db24f2d8f66794b390a585c5 https://git.kernel.org/stable/c/7b1f773277a72f9756d47a41b94e43506cce1954 https://git.kernel.org/stable/c/d1a92bb8d697f170d93fe922da763d7d156b8841 https://git.kernel.org/stable/c/4c92670b16727365699fe4b19ed32013bab2c107

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8