CVE-2017-8824: Linux Kernel

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state.

Affected products

• Linux Linux Kernel: from 2.6.14, before 3.2.97 (fixed in 3.2.97); from 3.3, before 3.16.52 (fixed in 3.16.52); from 3.17, before 3.18.95 (fixed in 3.18.95); from 3.19, before 4.1.50 (fixed in 4.1.50); from 4.2, before 4.4.116 (fixed in 4.4.116); from 4.5, before 4.9.82 (fixed in 4.9.82); …

Published 2017-12-05. Last modified 2026-06-17.