Public Date:
980995: CVE-2013-2234 Kernel: net: information leak in AF_KEY notify

The MITRE CVE dictionary describes this issue as:

The (1) key_notify_sa_flush and (2) key_notify_policy_flush functions in net/key/af_key.c in the Linux kernel before 3.10 do not initialize certain structure members, which allows local users to obtain sensitive information from kernel heap memory by reading a broadcast message from the notify interface of an IPSec key_socket.

Find out more about CVE-2013-2234 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2 may address this issue. This issue has been addressed for Red Hat Enterprise Linux 5 via RHSA-2013:1166 (

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 1.7
Base Metrics AV:L/AC:L/Au:S/C:P/I:N/A:N
Access Vector Local
Access Complexity Low
Authentication Single
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 5 (kernel) RHSA-2013:1166 2013-08-20
Red Hat Enterprise Linux version 6 (kernel) RHSA-2013:1645 2013-11-20
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2013:1264 2013-09-16