Public Date:
955216: CVE-2013-3222 Kernel: atm: update msg_namelen in vcc_recvmsg()

The MITRE CVE dictionary describes this issue as:

The vcc_recvmsg function in net/atm/common.c in the Linux kernel before 3.9-rc7 does not initialize a certain length variable, which allows local users to obtain sensitive information from kernel stack memory via a crafted recvmsg or recvfrom system call.

Find out more about CVE-2013-3222 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 5, 6 and Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2 may address this issue.

CVSS v2 metrics

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

Base Score 2.1
Base Metrics AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector Local
Access Complexity Low
Authentication None
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-2013:1034 2013-07-10
Red Hat Enterprise Linux OpenStack Platform 3.0 (kernel) RHSA-2013:1080 2013-07-16
MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2013:0829 2013-05-20
Red Hat Enterprise Linux version 6 (kernel) RHSA-2013:1051 2013-07-16