Vulnerability CVE-2011-1576
Published: 2011-08-31   Modified: 2012-02-13

Description:
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.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:A/AC:M/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.7/10
6.9/10
5.5/10
Exploit range
Attack complexity
Authentication
Adjacent network
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Redhat -> Enterprise virtualization hypervisor 
Redhat -> Enterprise linux 
Linux -> Kernel 
Linux -> Linux kernel 

 References:
http://rhn.redhat.com/errata/RHSA-2011-0927.html
http://www.redhat.com/support/errata/RHSA-2011-1090.html
http://www.redhat.com/support/errata/RHSA-2011-1106.html
http://www.securityfocus.com/bid/48907
http://www.securitytracker.com/id?1025853
https://bugzilla.redhat.com/show_bug.cgi?id=695173
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