CVE-2011-1576

Impact:
Moderate
Public Date:
2011-06-06
IAVA:
2012-A-0020
CWE:
CWE-401
Bugzilla:
695173: CVE-2011-1576 kernel: net: Fix memory leak/corruption on VLAN GRO_DROP

The MITRE CVE dictionary describes this issue as:

The Generic Receive Offload (GRO) implementation in the Linux kernel 2.6.18 on Red Hat Enterprise Linux 5 and 2.6.32 on Red Hat Enterprise Linux 6, as used in Red Hat Enterprise Virtualization (RHEV) Hypervisor and other products, allows remote attackers to cause a denial of service via crafted VLAN packets that are processed by the napi_reuse_skb function, leading to (1) a memory leak or (2) memory corruption, a different vulnerability than CVE-2011-1478.

Find out more about CVE-2011-1576 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did not affect the version of Linux kernel as shipped with Red Hat
Enterprise Linux 4 as it did not support Generic Receive Offload (GRO). This has been addressed in Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0927.html and https://rhn.redhat.com/errata/RHSA-2011-1189.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html.

CVSS v2 metrics

Base Score 5.7
Base Metrics AV:A/AC:M/Au:N/C:N/I:N/A:C
Access Vector Adjacent 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 6 (kernel) RHSA-2011:1189 2011-08-23
Red Hat Enterprise Linux Server EUS (v. 6.0) (kernel) RHSA-2011:1106 2011-08-02
RHEV Agents (VDSM) RHSA-2011:1090 2011-07-27
Red Hat MRG Grid for RHEL 6 Server v.2 (kernel-rt) RHSA-2011:1253 2011-09-12
Red Hat Enterprise Linux 5 (kernel) RHSA-2011:0927 2011-07-15

Affected Packages State

Platform Package State
Red Hat Enterprise MRG 1.3 realtime-kernel Will not fix
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

Acknowledgements

Red Hat would like to thank Ryan Sweat for reporting this issue.
Last Modified

CVE description copyright © 2017, The MITRE Corporation