CVE-2011-4622

EUVD-2011-4545
The create_pit_timer function in arch/x86/kvm/i8254.c in KVM 83, and possibly other versions, does not properly handle when Programmable Interval Timer (PIT) interrupt requests (IRQs) when a virtual interrupt controller (irqchip) is not available, which allows local users to cause a denial of service (NULL pointer dereference) by starting a timer.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.9 UNKNOWN
LOCAL
LOW
AV:L/AC:L/Au:N/C:N/I:N/A:C
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
hardy
not-affected
lucid
Fixed 2.6.32-39.86
released
maverick
Fixed 2.6.35-32.65
released
natty
Fixed 2.6.38-13.55
released
oneiric
Fixed 3.0.0-16.27
released
precise
not-affected
quantal
not-affected
saucy
not-affected
trusty
not-affected
utopic
not-affected
vivid
not-affected
wily
not-affected
xenial
not-affected
yakkety
not-affected
zesty
not-affected
linux-aws
precise
dne
trusty
not-affected
xenial
not-affected
yakkety
dne
zesty
dne
linux-ec2
hardy
dne
lucid
Fixed 2.6.32-343.45
released
maverick
ignored
natty
dne
oneiric
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-flo
lucid
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
not-affected
vivid
not-affected
wily
not-affected
xenial
not-affected
yakkety
not-affected
zesty
dne
linux-fsl-imx51
hardy
dne
lucid
not-affected
maverick
dne
natty
dne
oneiric
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-gke
precise
dne
trusty
dne
xenial
not-affected
yakkety
dne
zesty
dne
linux-goldfish
lucid
dne
precise
dne
quantal
dne
saucy
ignored
trusty
dne
utopic
not-affected
vivid
not-affected
wily
not-affected
xenial
not-affected
yakkety
not-affected
zesty
not-affected
linux-grouper
lucid
dne
precise
dne
quantal
dne
saucy
ignored
trusty
dne
utopic
ignored
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-hwe
precise
dne
trusty
dne
xenial
not-affected
yakkety
dne
zesty
dne
linux-hwe-edge
precise
dne
trusty
dne
xenial
not-affected
yakkety
dne
zesty
dne
linux-lts-backport-maverick
hardy
dne
lucid
Fixed 2.6.35-32.65~lucid1
released
maverick
dne
natty
dne
oneiric
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-backport-natty
hardy
dne
lucid
Fixed 2.6.38-13.55~lucid1
released
maverick
dne
natty
dne
oneiric
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-backport-oneiric
hardy
dne
lucid
Fixed 3.0.0-16.28~lucid1
released
maverick
dne
natty
dne
oneiric
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-trusty
lucid
dne
precise
not-affected
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-utopic
lucid
dne
precise
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-vivid
lucid
dne
precise
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-wily
precise
dne
trusty
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-xenial
precise
dne
trusty
not-affected
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-maguro
lucid
dne
precise
dne
quantal
dne
saucy
ignored
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-mako
lucid
dne
precise
dne
quantal
dne
saucy
ignored
trusty
dne
utopic
not-affected
vivid
not-affected
wily
not-affected
xenial
not-affected
yakkety
not-affected
zesty
dne
linux-manta
lucid
dne
precise
dne
quantal
dne
saucy
ignored
trusty
dne
utopic
not-affected
vivid
not-affected
wily
not-affected
xenial
dne
yakkety
dne
zesty
dne
linux-mvl-dove
hardy
dne
lucid
not-affected
maverick
not-affected
natty
dne
oneiric
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-raspi2
precise
dne
trusty
dne
vivid
dne
wily
not-affected
xenial
not-affected
yakkety
not-affected
zesty
not-affected
linux-snapdragon
precise
dne
trusty
dne
wily
dne
xenial
not-affected
yakkety
not-affected
zesty
not-affected
linux-ti-omap4
hardy
dne
lucid
dne
maverick
not-affected
natty
not-affected
oneiric
not-affected
precise
not-affected
quantal
not-affected
saucy
not-affected
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
References
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/83564
http://www.openwall.com/lists/oss-security/2011/12/21/7
http://www.redhat.com/support/errata/RHSA-2012-0051.html
http://www.securityfocus.com/bid/51172
http://www.securitytracker.com/id?1026559
https://bugzilla.redhat.com/show_bug.cgi?id=769721
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
http://permalink.gmane.org/gmane.comp.emulators.kvm.devel/83564
http://www.openwall.com/lists/oss-security/2011/12/21/7
http://www.redhat.com/support/errata/RHSA-2012-0051.html
http://www.securityfocus.com/bid/51172
http://www.securitytracker.com/id?1026559
https://bugzilla.redhat.com/show_bug.cgi?id=769721