CVE-2016-20022: Out-of-bounds Read (CVSS 8.4)

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.

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CVSS v3.1 Score

8.4

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

References

Other References

https://github.com/torvalds/linux/commit/aed9d65ac3278d4febd8665bd7db59ef53e825fe https://lore.kernel.org/lkml/1486322541-8206-8-git-send-email-w%401wt.eu/ https://www.spinics.net/lists/linux-usb/msg144177.html https://github.com/torvalds/linux/commit/aed9d65ac3278d4febd8665bd7db59ef53e825fe https://lore.kernel.org/lkml/1486322541-8206-8-git-send-email-w%401wt.eu/ https://www.spinics.net/lists/linux-usb/msg144177.html

Frequently Asked Questions

What is CVE-2016-20022? +

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. It has a CVSS v3.1 base score of 8.4 (HIGH).

How severe is CVE-2016-20022? +

CVE-2016-20022 has a CVSS v3.1 score of 8.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2016-20022? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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