CVE-2015-8543: Linux Kernel

High severity, CVSS 7.0. EPSS: 1.2% chance of exploitation in the next 30 days.

The networking implementation in the Linux kernel through 4.3.3, as used in Android and other products, does not validate protocol identifiers for certain protocol families, which allows local users to cause a denial of service (NULL function pointer dereference and system crash) or possibly gain privileges by leveraging CLONE_NEWUSER support to execute a crafted SOCK_RAW application.

Affected products

• Linux Linux Kernel: before 3.2.75 (fixed in 3.2.75); from 3.3, before 3.4.111 (fixed in 3.4.111); from 3.5, before 3.10.95 (fixed in 3.10.95); from 3.11, before 3.12.52 (fixed in 3.12.52); from 3.13, before 3.14.59 (fixed in 3.14.59); from 3.15, before 3.16.35 (fixed in 3.16.35); …

Published 2015-12-28. Last modified 2026-06-17.