CVE-2011-2898: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

net/packet/af_packet.c in the Linux kernel before 2.6.39.3 does not properly restrict user-space access to certain packet data structures associated with VLAN Tag Control Information, which allows local users to obtain potentially sensitive information via a crafted application.

Affected products

• Linux Linux Kernel: before 2.6.39.3 (fixed in 2.6.39.3)

Published 2012-05-24. Last modified 2026-06-16.