CVE-2017-7542: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.5% chance of exploitation in the next 30 days.

The ip6_find_1stfragopt function in net/ipv6/output_core.c in the Linux kernel through 4.12.3 allows local users to cause a denial of service (integer overflow and infinite loop) by leveraging the ability to open a raw socket.

Affected products

• Linux Linux Kernel: up to and including 4.12.3

Published 2017-07-21. Last modified 2026-06-17.