High · published August 7, 2024
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.
| Product | Versions | Fixed in |
|---|---|---|
| linux/linux_kernel | < 4.19.318 | 4.19.318 |
| linux/linux_kernel | ≥ 4.20, < 5.4.280 | 5.4.280 |
| linux/linux_kernel | ≥ 5.5, < 5.10.222 | 5.10.222 |
| linux/linux_kernel | ≥ 5.11, < 5.15.163 | 5.15.163 |
| linux/linux_kernel | ≥ 5.16, < 6.1.100 | 6.1.100 |
| linux/linux_kernel | ≥ 6.2, < 6.6.41 | 6.6.41 |
| linux/linux_kernel | ≥ 6.7, < 6.9.10 | 6.9.10 |