CVE-2017-16534

Severity: medium (CVSS 6.8 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-119

Description

The cdc_parse_cdc_header function in drivers/usb/core/message.c in the Linux kernel before 4.13.6 allows local users to cause a denial of service (out-of-bounds read and system crash) or possibly have unspecified other impact via a crafted USB device.

Affected products

Linux kernel: from 4.4 before 4.4.92; from 4.5 before 4.9.55; from 4.10 before 4.13.6 — fixed in 4.13.6, 4.4.92, 4.9.55

How to fix

Upgrade to a fixed version: Linux kernel 4.13.6, 4.4.92, 4.9.55. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
https://github.com/torvalds/linux/commit/2e1c42391ff2556387b3cb6308b24f6f65619feb
https://groups.google.com/d/msg/syzkaller/nXnjqI73uPo/6sUyq6kqAgAJ
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
https://github.com/torvalds/linux/commit/2e1c42391ff2556387b3cb6308b24f6f65619feb
https://groups.google.com/d/msg/syzkaller/nXnjqI73uPo/6sUyq6kqAgAJ

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