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Vulnerability Details : CVE-2011-1576

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.
Publish Date : 2011-08-31 Last Update Date : 2014-01-13
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflowMemory corruption
CWE ID 119

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
AV:A/AC:M/Au:N/C:N/I:N/A:C 2011-02-04 2011-06-06
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2011-1576 unix
ELSA-2011:0927: kernel security and bug fix update (Important) oval:org.mitre.oval:def:23330 unix
ELSA-2011:1189: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:23636 unix
RHSA-2011:0927: kernel security and bug fix update (Important) oval:org.mitre.oval:def:21896 unix
RHSA-2011:0927: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20110927 unix
RHSA-2011:1189: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:22054 unix
RHSA-2011:1189: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20111189 unix
VMware ESXi and ESX updates to third party library and ESX Service Console oval:org.mitre.oval:def:20615 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2011-1576

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 2.6.18 Version Details Vulnerabilities
2 OS Redhat Enterprise Linux 5 Version Details Vulnerabilities
3 OS Redhat Enterprise Linux 6 Version Details Vulnerabilities
4 Application Redhat Enterprise Virtualization Hypervisor Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1
Redhat Enterprise Linux 2
Redhat Enterprise Virtualization Hypervisor 1

- References For CVE-2011-1576 CONFIRM
REDHAT RHSA-2011:1106
REDHAT RHSA-2011:0927
BID 48907 Red Hat Linux Kernel VLAN Packets Handling Remote Denial of Service Vulnerability Release Date:2012-09-21
SECTRACK 1025853
REDHAT RHSA-2011:1090

- Metasploit Modules Related To CVE-2011-1576

There are not any metasploit modules related to this vulnerability (Please visit for more information)

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