Vulnerability CVE-2011-1478
Published: 2011-10-23   Modified: 2012-02-13

Description:
The napi_reuse_skb function in net/core/dev.c in the Generic Receive Offload (GRO) implementation in the Linux kernel before 2.6.38 does not reset the values of certain structure members, which might allow remote attackers to cause a denial of service (NULL pointer dereference) via a malformed VLAN frame.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
VMware ESXi and ESX updates to third party libraries and ESX Service Console
VMware Security ...
26.10.2011

Type:

CWE-Other

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
Linux -> Kernel 
Linux -> Linux kernel 

 References:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=66c46d741e2e60f0e8b625b80edb0ab820c46d7a
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6d152e23ad1a7a5b40fef1f42e017d66e6115159
http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.38
http://openwall.com/lists/oss-security/2011/03/28/1
http://securityreason.com/securityalert/8480
http://www.securityfocus.com/archive/1/520102/100/0/threaded
http://www.vmware.com/security/advisories/VMSA-2011-0012.html
https://bugzilla.redhat.com/show_bug.cgi?id=691270
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