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CVE-2011-4326

Published: 23 November 2011

The udp6_ufo_fragment function in net/ipv6/udp.c in the Linux kernel before 2.6.39, when a certain UDP Fragmentation Offload (UFO) configuration is enabled, allows remote attackers to cause a denial of service (system crash) by sending fragmented IPv6 UDP packets to a bridge device.

From the Ubuntu Security Team

A bug was found in the way headroom check was performed in udp6_ufo_fragment() function. A remote attacker could use this flaw to crash the system.

Priority

Medium

Status

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

lucid
Released (2.6.32-37.81)
maverick
Released (2.6.35-31.63)
natty
Released (2.6.38-11.47)
oneiric Not vulnerable
(2.6.39-1.6)
precise Not vulnerable
(3.1.0-1.1)
quantal Not vulnerable
(3.4.0-1.1)
raring Not vulnerable
(3.7.0-0.5)
saucy Not vulnerable
(3.9.0-0.2)
trusty Not vulnerable
(3.11.0-12.19)
upstream
Released (2.6.39~rc6)
utopic Not vulnerable
(3.13.0-24.46)
vivid Not vulnerable
(3.16.0-23.31)
wily Not vulnerable
(3.19.0-15.15)
Patches:
Introduced by

ba73542585a4a3c8a708f502e62e6e63dd74b66c

Fixed by a9cf73ea7ff78f52662c8658d93c226effbbedde
linux-armadaxp
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Does not exist

natty Does not exist

oneiric Does not exist

precise Not vulnerable
(3.2.0-1600.1)
quantal Not vulnerable
(3.2.0-1602.5)
raring Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-ec2
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.32-341.42)
maverick Ignored
(binary supplied by "linux" now)
natty Does not exist

oneiric Does not exist

precise Does not exist

quantal Does not exist

raring Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-flo
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Does not exist

trusty Does not exist
(trusty was not-affected [3.4.0-1.3])
upstream
Released (2.6.39~rc6)
utopic Not vulnerable
(3.4.0-3.10)
vivid Not vulnerable
(3.4.0-3.15)
wily Not vulnerable
(3.4.0-3.15)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable

maverick Does not exist

natty Does not exist

oneiric Does not exist

precise Does not exist

quantal Does not exist

raring Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-goldfish
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Ignored

trusty Does not exist
(trusty was not-affected [3.4.0-1.9])
upstream
Released (2.6.39~rc6)
utopic Not vulnerable
(3.4.0-3.14)
vivid Not vulnerable
(3.4.0-4.23)
wily Not vulnerable
(3.4.0-4.23)
linux-grouper
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Ignored

trusty Does not exist
(trusty was not-affected [3.1.10-8.28])
upstream
Released (2.6.39~rc6)
utopic Not vulnerable
(3.1.10-8.28)
vivid Does not exist

wily Does not exist

linux-lts-backport-maverick
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.35-31.63~lucid1)
maverick Does not exist

natty Does not exist

oneiric Does not exist

precise Does not exist

quantal Does not exist

raring Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-lts-backport-natty
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (2.6.38-11.49~lucid1)
maverick Does not exist

natty Does not exist

oneiric Does not exist

precise Does not exist

quantal Does not exist

raring Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-lts-backport-oneiric
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid
Released (3.0.0-5.6~lucid1)
maverick Does not exist

natty Does not exist

oneiric Does not exist

precise Does not exist

quantal Does not exist

raring Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-lts-quantal
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Does not exist

oneiric Does not exist

precise Not vulnerable
(3.5.0-18.29~precise1)
quantal Does not exist

raring Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-lts-raring
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Does not exist

oneiric Does not exist

precise Not vulnerable
(3.8.0-19.30~precise1)
quantal Does not exist

raring Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-lts-saucy
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Not vulnerable
(3.11.0-13.20~precise2)
quantal Does not exist

raring Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-lts-trusty
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Not vulnerable
(3.13.0-24.46~precise1)
saucy Does not exist

trusty Does not exist

upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-lts-utopic
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

trusty Does not exist
(trusty was not-affected [3.16.0-25.33~14.04.2])
upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-lts-vivid
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

trusty Does not exist
(trusty was not-affected [3.19.0-18.18~14.04.1])
upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-maguro
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Ignored

trusty Does not exist
(trusty was not-affected [3.0.0-3.18])
upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-mako
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Ignored

trusty Does not exist
(trusty was not-affected [3.4.0-3.21])
upstream
Released (2.6.39~rc6)
utopic Not vulnerable
(3.4.0-5.28)
vivid Not vulnerable
(3.4.0-5.34)
wily Not vulnerable
(3.4.0-5.34)
linux-manta
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Does not exist

saucy Ignored

trusty Does not exist
(trusty was not-affected [3.4.0-4.19])
upstream
Released (2.6.39~rc6)
utopic Not vulnerable
(3.4.0-6.25)
vivid Not vulnerable
(3.4.0-6.29)
wily Not vulnerable
(3.4.0-6.29)
linux-mvl-dove
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Pending
(2.6.32-221.39)
maverick
Released (2.6.32-421.39)
natty Does not exist

oneiric Does not exist

precise Does not exist

quantal Does not exist

raring Does not exist

saucy Does not exist

trusty Does not exist

upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (2.6.39~rc6)
vivid Does not exist

wily Not vulnerable
(4.2.0-1008.12)
linux-ti-omap4
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Does not exist

maverick
Released (2.6.35-903.28)
natty
Released (2.6.38-1209.18)
oneiric Not vulnerable
(3.0.0-1200.1)
precise Not vulnerable
(3.0.0-1401.2)
quantal Not vulnerable
(3.0.0-1400.1)
raring Not vulnerable
(3.0.0-1400.1)
saucy Not vulnerable
(3.5.0-223.34)
trusty Does not exist

upstream
Released (2.6.39~rc6)
utopic Does not exist

vivid Does not exist

wily Does not exist