CVE-2021-47404
High
Description
In the Linux kernel, the following vulnerability has been resolved: HID: betop: fix slab-out-of-bounds Write in betop_probe Syzbot reported slab-out-of-bounds Write bug in hid-betopff driver. The problem is the driver assumes the device must have an input report but some malicious devices violate this assumption. So this patch checks hid_device's input is non empty before it's been used.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedMay 21, 2024
First seenMay 21, 2024
How to fix
Update
- linux linux_kernel4.4.286, 4.9.285, 4.14.249, 4.19.209, 5.4.151, 5.10.71, 5.14.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.4.286, 4.5 ≤ v < 4.9.285, 4.10 ≤ v < 4.14.249, 4.15 ≤ v < 4.19.209, 4.20 ≤ v < 5.4.151, 5.5 ≤ v < 5.10.71, 5.11 ≤ v < 5.14.10, 5.15 | 4.4.286, 4.9.285, 4.14.249, 4.19.209, 5.4.151, 5.10.71, 5.14.10 |
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