CVE-2017-9077: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

The tcp_v6_syn_recv_sock function in net/ipv6/tcp_ipv6.c in the Linux kernel through 4.11.1 mishandles inheritance, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls, a related issue to CVE-2017-8890.

Affected products

• Linux Linux Kernel: before 3.2.89 (fixed in 3.2.89); from 3.3, before 3.16.44 (fixed in 3.16.44); from 3.17, before 3.18.84 (fixed in 3.18.84); from 3.19, before 4.4.71 (fixed in 4.4.71); from 4.5, before 4.9.31 (fixed in 4.9.31); from 4.10, before 4.11.4 (fixed in 4.11.4)

Published 2017-05-19. Last modified 2026-06-17.