CVE-2022-21742
Medium
Description
Realtek USB driver has a buffer overflow vulnerability due to insufficient parameter length verification in the API function. An unauthenticated LAN attacker can exploit this vulnerability to disrupt services.
SeverityMedium
CVSS6.2
Exploit probability—
ProductRealtek Rtl8156 Firmware
PublishedJun 20, 2022
First seenJun 20, 2022
Weakness typeCWE-120CWE-120
How to fix
Update
- realtek rtl8156_firmware10.50 or later
- realtek rtl8156b_firmware10.50 or later
- realtek rtl8153_firmware10.50 or later
- realtek rtl8153b_firmware10.50 or later
- realtek rtl8154_firmware10.50 or later
- realtek rtl8154b_firmware10.50 or later
- realtek rtl8152b_firmware10.50 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| realtek rtl8156_firmware | 7.42 ≤ v ≤ 7.53, 8.49 ≤ v ≤ 8.60, 10.28 ≤ v < 10.50 | 10.50 |
| realtek rtl8156b_firmware | 7.42 ≤ v ≤ 7.53, 8.49 ≤ v ≤ 8.60, 10.28 ≤ v < 10.50 | 10.50 |
| realtek rtl8153_firmware | 7.42 ≤ v ≤ 7.53, 8.49 ≤ v ≤ 8.60, 10.28 ≤ v < 10.50 | 10.50 |
| realtek rtl8153b_firmware | 7.42 ≤ v ≤ 7.53, 8.49 ≤ v ≤ 8.60, 10.28 ≤ v < 10.50 | 10.50 |
| realtek rtl8154_firmware | 7.42 ≤ v ≤ 7.53, 8.49 ≤ v ≤ 8.60, 10.28 ≤ v < 10.50 | 10.50 |
| realtek rtl8154b_firmware | 7.42 ≤ v ≤ 7.53, 8.49 ≤ v ≤ 8.60, 10.28 ≤ v < 10.50 | 10.50 |
| realtek rtl8152b_firmware | 7.42 ≤ v ≤ 7.53, 8.49 ≤ v ≤ 8.60, 10.28 ≤ v < 10.50 | 10.50 |
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