CVE-2014-4943: Debian Linux

Medium severity, CVSS 6.9. EPSS: 2.1% chance of exploitation in the next 30 days.

The PPPoL2TP feature in net/l2tp/l2tp_ppp.c in the Linux kernel through 3.15.6 allows local users to gain privileges by leveraging data-structure differences between an l2tp socket and an inet socket.

Affected products

• Debian Debian Linux: version 7.0 only
• Linux Linux Kernel: from 2.6.23, before 3.2.62 (fixed in 3.2.62); from 3.3, before 3.4.102 (fixed in 3.4.102); from 3.5, before 3.10.52 (fixed in 3.10.52); from 3.11, before 3.12.27 (fixed in 3.12.27); from 3.13, before 3.14.16 (fixed in 3.14.16); from 3.15, before 3.15.9 (fixed in 3.15.9)
• Opensuse Opensuse: version 11.4 only
• Red Hat Enterprise Linux Server Aus: version 6.2 only
• Suse Linux Enterprise Desktop: version 11 only
• Suse Linux Enterprise Server: version 11 only

Published 2014-07-19. Last modified 2026-06-17.