Public Date:
2012-A-0056, 2012-A-0073
CWE-662 -> CWE-362 -> CWE-672 -> CWE-119
757143: CVE-2011-4348 kernel: incomplete fix for CVE-2011-2482

The MITRE CVE dictionary describes this issue as:

Race condition in the sctp_rcv function in net/sctp/input.c in the Linux kernel before 2.6.29 allows remote attackers to cause a denial of service (system hang) via SCTP packets. NOTE: in some environments, this issue exists because of an incomplete fix for CVE-2011-2482.

Find out more about CVE-2011-4348 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the version of the Linux kernel as shipped with Red Hat Enterprise Linux 4, 6 and Red Hat Enterprise MRG as they were not vulnerable to CVE-2011-2482. This has been addressed in Red Hat Enterprise Linux 5 via

CVSS v2 metrics

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

Base Score 7.1
Base Metrics AV:N/AC:M/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

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-2012:0007 2012-01-10

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 kernel Not affected
Red Hat Enterprise Linux 4 kernel Not affected