CVE-2024-42236
usb: gadget: configfs: Prevent OOB read/write in usb_string_copy()
- State
- Published
- Severity
- 7.8 High
- Published
- Aug 7, 2024
- Updated
- Aug 5, 2026
- Reserved
- Jul 30, 2024
Description
In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: configfs: Prevent OOB read/write in usb_string_copy()
Userspace provided string 's' could trivially have the length zero. Left unchecked this will firstly result in an OOB read in the form `if (str[0 - 1] == '\n') followed closely by an OOB write in the form `str[0 - 1] = '\0'`.
There is already a validating check to catch strings that are too long. Let's supply an additional check for invalid strings that are too short.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | Linux |
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
LinuxLinux |
|
LinuxLinux |
|
References
- https://git.kernel.org/stable/c/a444c3fc264119801575ab086e03fb4952f23fd0
- https://git.kernel.org/stable/c/c95fbdde87e39e5e0ae27f28bf6711edfb985caa
- https://git.kernel.org/stable/c/e8474a10c535e6a2024c3b06e37e4a3a23beb490
- https://git.kernel.org/stable/c/72b8ee0d9826e8ed00e0bdfce3e46b98419b37ce
- https://git.kernel.org/stable/c/2d16f63d8030903e5031853e79d731ee5d474e70
- https://git.kernel.org/stable/c/d1205033e912f9332c1dbefa812e6ceb0575ce0a
- https://git.kernel.org/stable/c/eecfefad0953b2f31aaefa058f7f348ff39c4bba
- https://git.kernel.org/stable/c/6d3c721e686ea6c59e18289b400cc95c76e927e0
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
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