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CVE-2011-1478

Published: 25 July 2011

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.

From the Ubuntu security team

Ryan Sweat discovered that the GRO code did not correctly validate memory. In some configurations on systems using VLANs, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service.

Priority

Low

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
hardy Not vulnerable

lucid
Released (2.6.32-32.62)
maverick
Released (2.6.35-30.52)
natty
Released (2.6.38-3.30)
oneiric Not vulnerable
(2.6.39-0.0)
upstream
Released (2.6.38~rc4)
linux-ec2
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.32-316.30)
maverick Ignored
(binary supplied by "linux" now)
natty Does not exist

oneiric Does not exist

upstream
Released (2.6.38~rc4)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.31-610.27)
maverick Does not exist

natty Does not exist

oneiric Does not exist

upstream
Released (2.6.38~rc4)
linux-lts-backport-maverick
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.35-30.54~lucid1)
maverick Does not exist

natty Does not exist

oneiric Does not exist

upstream
Released (2.6.38~rc4)
linux-lts-backport-natty
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.38-3.30~lucid1)
maverick Does not exist

natty Does not exist

oneiric Does not exist

upstream
Released (2.6.38~rc4)
linux-lts-backport-oneiric
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable

maverick Does not exist

natty Does not exist

oneiric Does not exist

upstream
Released (2.6.38~rc4)
linux-mvl-dove
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.32-217.34)
maverick
Released (2.6.32-417.34)
natty Does not exist

oneiric Does not exist

upstream
Released (2.6.38~rc4)
linux-ti-omap4
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Does not exist

maverick
Released (2.6.35-903.23)
natty
Released (2.6.38-1201.2)
oneiric Not vulnerable
(2.6.38-1309.13)
upstream
Released (2.6.38~rc4)