# CVE-2016-20022: linux: In the Linux kernel before 4.8, usb_parse_endpoint in drivers/usb/core/config.c does not validate the wMaxPacketSize...

CVE-2016-20022 is fixed in linux on 1 platform, first by DEBIAN-CVE-2016-20022, released June 27, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2016-20022
- Priority: High
- CVSS: 8.4 (high)
- EPSS: 0.0024
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 27, 2024

## Description

In the Linux kernel before 4.8, usb_parse_endpoint in drivers/usb/core/config.c does not validate the wMaxPacketSize field of an endpoint descriptor. NOTE: This vulnerability only affects products that are no longer supported by the supplier.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 4.7.4-1 | [DEBIAN-CVE-2016-20022](https://patchblox.com/security/data/fix/linux/debian-cve-2016-20022.md) | Jun 27, 2024 |
| Linux | linux Debian 13.5 (trixie) | 4.7.4-1 | [DEBIAN-CVE-2016-20022](https://patchblox.com/security/data/fix/linux/debian-cve-2016-20022.md) | Jun 27, 2024 |
| Linux | linux Debian 14 | 4.7.4-1 | [DEBIAN-CVE-2016-20022](https://patchblox.com/security/data/fix/linux/debian-cve-2016-20022.md) | Jun 27, 2024 |

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Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo