What’s Vulnerable › Vulnerabilities

CVE-2017-16532

• Severity: medium (CVSS 6.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-04 · updated 2026-06-17
• Weakness: CWE-476

Description

The get_endpoints function in drivers/usb/misc/usbtest.c in the Linux kernel through 4.13.11 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted USB device.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 17.10
• Debian Linux: 7.0
• Linux kernel: before 3.2.95; from 3.3 before 3.16.50; from 3.17 before 3.18.82; from 3.19 before 4.1.47; from 4.2 before 4.4.99; from 4.5 before 4.9.63 — fixed in 3.16.50, 3.18.82, 3.2.95, 4.1.47, 4.13.14, 4.4.99

How to fix

Upgrade to a fixed version: Linux kernel 3.16.50, 3.18.82, 3.2.95, 4.1.47. Check the vendor advisory for mitigations.

References

• https://github.com/torvalds/linux/commit/7c80f9e4a588f1925b07134bb2e3689335f6c6d8
• https://groups.google.com/d/msg/syzkaller/l3870gs3LhA/y79DYQdFBAAJ
• https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
• https://usn.ubuntu.com/3617-1/
• https://usn.ubuntu.com/3617-2/
• https://usn.ubuntu.com/3617-3/
• https://usn.ubuntu.com/3619-1/
• https://usn.ubuntu.com/3619-2/
• https://usn.ubuntu.com/3754-1/
• https://github.com/torvalds/linux/commit/7c80f9e4a588f1925b07134bb2e3689335f6c6d8
• https://groups.google.com/d/msg/syzkaller/l3870gs3LhA/y79DYQdFBAAJ
• https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html

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