What’s Vulnerable › Vulnerabilities

CVE-2017-16525

• 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-416

Description

The usb_serial_console_disconnect function in drivers/usb/serial/console.c in the Linux kernel before 4.13.8 allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device, related to disconnection and failed setup.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04
• Debian Linux: 7.0
• Linux kernel: from 2.6.18 before 3.2.96; from 3.3 before 3.10.108; from 3.11 before 3.16.51; from 3.17 before 3.18.76; from 3.19 before 4.1.46; from 4.2 before 4.4.93 — fixed in 3.10.108, 3.16.51, 3.18.76, 3.2.96, 4.1.46, 4.13.8

How to fix

Upgrade to a fixed version: Linux kernel 3.10.108, 3.16.51, 3.18.76, 3.2.96. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/102028
• https://github.com/torvalds/linux/commit/299d7572e46f98534033a9e65973f13ad1ce9047
• https://github.com/torvalds/linux/commit/bd998c2e0df0469707503023d50d46cf0b10c787
• https://groups.google.com/d/msg/syzkaller/cMACrmo1x0k/4KhRoUgABAAJ
• https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
• https://usn.ubuntu.com/3583-1/
• https://usn.ubuntu.com/3583-2/
• http://www.securityfocus.com/bid/102028
• https://github.com/torvalds/linux/commit/299d7572e46f98534033a9e65973f13ad1ce9047
• https://github.com/torvalds/linux/commit/bd998c2e0df0469707503023d50d46cf0b10c787
• https://groups.google.com/d/msg/syzkaller/cMACrmo1x0k/4KhRoUgABAAJ
• https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html

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