PublicDateAtUSN: 2011-12-15
Candidate: CVE-2011-4611
PublicDate: 2012-05-17 11:00:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4611
 https://ubuntu.com/security/notices/USN-1160-1
 https://ubuntu.com/security/notices/USN-1141-1
 https://ubuntu.com/security/notices/USN-1162-1
 https://ubuntu.com/security/notices/USN-1159-1
 https://ubuntu.com/security/notices/USN-1187-1
Description:
 Integer overflow in the perf_event_interrupt function in
 arch/powerpc/kernel/perf_event.c in the Linux kernel before 2.6.39 on
 powerpc platforms allows local users to cause a denial of service
 (unhandled performance monitor exception) via vectors that trigger certain
 outcomes of performance events.
Ubuntu-Description:
 Maynard Johnson discovered that on POWER7, certain speculative events may
 raise a performance monitor exception. A local attacker could exploit this
 to crash the system, leading to a denial of service.
Notes:
 jdstrand> may not apply to Ubuntu. See redhat bug
 apw> note this can only affect power systems, therefore none of the
 apw> arm branches can express the issue and so are not-affected
Bugs:
 https://bugzilla.redhat.com/show_bug.cgi?id=767914
 https://launchpad.net/bugs/905070
Priority: low
Discovered-by:
Assigned-to: 
CVSS: 

Patches_linux:
 break-fix: 4574910e5087085a1f330ff8373cee4503f5c77c 0837e3242c73566fc1c0196b4ec61779c25ffc93
upstream_linux: released (2.6.39~rc1)
hardy_linux: not-affected
lucid_linux: released (2.6.32-32.62)
maverick_linux: released (2.6.35-29.51)
natty_linux: not-affected (2.6.38-8.40)
oneiric_linux: not-affected (2.6.39-0.1)
precise_linux: not-affected (3.1.0-1.1)
quantal_linux: not-affected (3.1.0-1.0)
devel_linux: not-affected (3.1.0-1.0)

Patches_linux-ec2:
upstream_linux-ec2: released (2.6.39~rc1)
hardy_linux-ec2: DNE
lucid_linux-ec2: released (2.6.32-316.30)
maverick_linux-ec2: ignored (binary supplied by "linux" now)
natty_linux-ec2: DNE
oneiric_linux-ec2: DNE
precise_linux-ec2: DNE
quantal_linux-ec2: DNE
devel_linux-ec2: DNE

Patches_linux-mvl-dove:
upstream_linux-mvl-dove: released (2.6.39~rc1)
hardy_linux-mvl-dove: DNE
lucid_linux-mvl-dove: released (2.6.32-217.34)
maverick_linux-mvl-dove: released (2.6.32-417.34)
natty_linux-mvl-dove: DNE
oneiric_linux-mvl-dove: DNE
precise_linux-mvl-dove: DNE
quantal_linux-mvl-dove: DNE
devel_linux-mvl-dove: DNE

Patches_linux-ti-omap4:
upstream_linux-ti-omap4: released (2.6.39~rc1)
hardy_linux-ti-omap4: DNE
lucid_linux-ti-omap4: DNE
maverick_linux-ti-omap4: not-affected
natty_linux-ti-omap4: not-affected (2.6.38-1208.11)
oneiric_linux-ti-omap4: not-affected (2.6.38-1309.13)
precise_linux-ti-omap4: not-affected (3.0.0-1401.2)
quantal_linux-ti-omap4: not-affected (3.0.0-1401.2)
devel_linux-ti-omap4: not-affected (3.0.0-1401.2)

Patches_linux-lts-backport-maverick:
upstream_linux-lts-backport-maverick: released (2.6.39~rc1)
hardy_linux-lts-backport-maverick: DNE
lucid_linux-lts-backport-maverick: released (2.6.35-30.54~lucid1)
maverick_linux-lts-backport-maverick: DNE
natty_linux-lts-backport-maverick: DNE
oneiric_linux-lts-backport-maverick: DNE
precise_linux-lts-backport-maverick: DNE
quantal_linux-lts-backport-maverick: DNE
devel_linux-lts-backport-maverick: DNE

Patches_linux-fsl-imx51:
upstream_linux-fsl-imx51: released (2.6.39~rc1)
hardy_linux-fsl-imx51: DNE
lucid_linux-fsl-imx51: not-affected
maverick_linux-fsl-imx51: DNE
natty_linux-fsl-imx51: DNE
oneiric_linux-fsl-imx51: DNE
precise_linux-fsl-imx51: DNE
quantal_linux-fsl-imx51: DNE
devel_linux-fsl-imx51: DNE

Patches_linux-lts-backport-natty:
upstream_linux-lts-backport-natty: released (2.6.39~rc1)
hardy_linux-lts-backport-natty: DNE
lucid_linux-lts-backport-natty: not-affected (2.6.38-8.40~lucid1)
maverick_linux-lts-backport-natty: DNE
natty_linux-lts-backport-natty: DNE
oneiric_linux-lts-backport-natty: DNE
precise_linux-lts-backport-natty: DNE
quantal_linux-lts-backport-natty: DNE
devel_linux-lts-backport-natty: DNE

Patches_linux-lts-backport-oneiric:
upstream_linux-lts-backport-oneiric: released (2.6.39~rc1)
hardy_linux-lts-backport-oneiric: DNE
lucid_linux-lts-backport-oneiric: not-affected (3.0.0-5.6~lucid1)
maverick_linux-lts-backport-oneiric: DNE
natty_linux-lts-backport-oneiric: DNE
oneiric_linux-lts-backport-oneiric: DNE
precise_linux-lts-backport-oneiric: DNE
quantal_linux-lts-backport-oneiric: DNE
devel_linux-lts-backport-oneiric: DNE

Patches_linux-armadaxp:
upstream_linux-armadaxp: released (2.6.39~rc1)
hardy_linux-armadaxp: DNE
lucid_linux-armadaxp: DNE
natty_linux-armadaxp: DNE
oneiric_linux-armadaxp: DNE
precise_linux-armadaxp: not-affected (3.2.0-1600.1)
quantal_linux-armadaxp: not-affected (3.2.0-1602.5)
devel_linux-armadaxp: not-affected (3.2.0-1602.5)