Upstream information

CVE-2014-3186 at MITRE

Description

Buffer overflow in the picolcd_raw_event function in devices/hid/hid-picolcd_core.c in the PicoLCD HID device driver in the Linux kernel through 3.16.3, as used in Android on Nexus 7 devices, allows physically proximate attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a crafted device that sends a large report.

SUSE information

Overall state of this security issue: Running

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 6.9
Vector AV:L/AC:M/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
SUSE Bugzilla entry: 896392 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 11 SP3
  • kernel-bigsmp-devel >= 3.0.101-0.46.1
  • kernel-default >= 3.0.101-0.46.1
  • kernel-default-base >= 3.0.101-0.46.1
  • kernel-default-devel >= 3.0.101-0.46.1
  • kernel-default-extra >= 3.0.101-0.46.1
  • kernel-pae >= 3.0.101-0.42.1
  • kernel-pae-base >= 3.0.101-0.42.1
  • kernel-pae-devel >= 3.0.101-0.42.1
  • kernel-pae-extra >= 3.0.101-0.42.1
  • kernel-source >= 3.0.101-0.46.1
  • kernel-syms >= 3.0.101-0.46.1
  • kernel-trace-devel >= 3.0.101-0.46.1
  • kernel-xen >= 3.0.101-0.46.1
  • kernel-xen-base >= 3.0.101-0.46.1
  • kernel-xen-devel >= 3.0.101-0.46.1
  • kernel-xen-extra >= 3.0.101-0.46.1
  • xen-kmp-default >= 4.2.5_02_3.0.101_0.46-0.7.9
  • xen-kmp-pae >= 4.2.5_02_3.0.101_0.42-0.7.2
 Patchnames:
sledsp3-kernel
SUSE Linux Enterprise Desktop 11 SP4
SUSE Linux Enterprise Server for SAP Applications 11 SP4
SUSE Linux Enterprise Software Development Kit 11 SP4
  • kernel-docs >= 3.0.101-63.1
 Patchnames:
SUSE Linux Enterprise Software Development Kit 11 SP4 GA kernel-docs-3.0.101-63.1
SUSE Linux Enterprise High Availability Extension 11 SP3
  • cluster-network-kmp-bigsmp >= 1.4_3.0.101_0.46-2.27.120
  • cluster-network-kmp-default >= 1.4_3.0.101_0.46-2.27.120
  • cluster-network-kmp-pae >= 1.4_3.0.101_0.42-2.27.115
  • cluster-network-kmp-ppc64 >= 1.4_3.0.101_0.42-2.27.115
  • cluster-network-kmp-trace >= 1.4_3.0.101_0.46-2.27.120
  • cluster-network-kmp-xen >= 1.4_3.0.101_0.46-2.27.120
  • gfs2-kmp-bigsmp >= 2_3.0.101_0.46-0.16.126
  • gfs2-kmp-default >= 2_3.0.101_0.46-0.16.126
  • gfs2-kmp-pae >= 2_3.0.101_0.42-0.16.121
  • gfs2-kmp-ppc64 >= 2_3.0.101_0.42-0.16.121
  • gfs2-kmp-trace >= 2_3.0.101_0.46-0.16.126
  • gfs2-kmp-xen >= 2_3.0.101_0.46-0.16.126
  • ocfs2-kmp-bigsmp >= 1.6_3.0.101_0.46-0.20.120
  • ocfs2-kmp-default >= 1.6_3.0.101_0.46-0.20.120
  • ocfs2-kmp-pae >= 1.6_3.0.101_0.42-0.20.115
  • ocfs2-kmp-ppc64 >= 1.6_3.0.101_0.42-0.20.115
  • ocfs2-kmp-trace >= 1.6_3.0.101_0.46-0.20.120
  • ocfs2-kmp-xen >= 1.6_3.0.101_0.46-0.20.120
 Patchnames:
slehasp3-kernel
SUSE Linux Enterprise Real Time Extension 11 SP3
  • cluster-network-kmp-rt >= 1.4_3.0.101_rt130_0.32-2.27.121
  • cluster-network-kmp-rt_trace >= 1.4_3.0.101_rt130_0.32-2.27.121
  • drbd-kmp-rt >= 8.4.4_3.0.101_rt130_0.32-0.22.87
  • drbd-kmp-rt_trace >= 8.4.4_3.0.101_rt130_0.32-0.22.87
  • iscsitarget-kmp-rt >= 1.4.20_3.0.101_rt130_0.32-0.38.106
  • iscsitarget-kmp-rt_trace >= 1.4.20_3.0.101_rt130_0.32-0.38.106
  • kernel-rt >= 3.0.101.rt130-0.32.1
  • kernel-rt-base >= 3.0.101.rt130-0.32.1
  • kernel-rt-devel >= 3.0.101.rt130-0.32.1
  • kernel-rt_trace >= 3.0.101.rt130-0.32.1
  • kernel-rt_trace-base >= 3.0.101.rt130-0.32.1
  • kernel-rt_trace-devel >= 3.0.101.rt130-0.32.1
  • kernel-source-rt >= 3.0.101.rt130-0.32.1
  • kernel-syms-rt >= 3.0.101.rt130-0.32.1
  • lttng-modules-kmp-rt >= 2.1.1_3.0.101_rt130_0.32-0.11.96
  • lttng-modules-kmp-rt_trace >= 2.1.1_3.0.101_rt130_0.32-0.11.96
  • ocfs2-kmp-rt >= 1.6_3.0.101_rt130_0.32-0.20.121
  • ocfs2-kmp-rt_trace >= 1.6_3.0.101_rt130_0.32-0.20.121
  • ofed-kmp-rt >= 1.5.4.1_3.0.101_rt130_0.32-0.13.112
  • ofed-kmp-rt_trace >= 1.5.4.1_3.0.101_rt130_0.32-0.13.112
 Patchnames:
slertesp3-kernel
SUSE Linux Enterprise Server 11 SP2-LTSS
  • kernel-default >= 3.0.101-0.7.29.1
  • kernel-default-base >= 3.0.101-0.7.29.1
  • kernel-default-devel >= 3.0.101-0.7.29.1
  • kernel-default-man >= 3.0.101-0.7.29.1
  • kernel-ec2 >= 3.0.101-0.7.29.1
  • kernel-ec2-base >= 3.0.101-0.7.29.1
  • kernel-ec2-devel >= 3.0.101-0.7.29.1
  • kernel-pae >= 3.0.101-0.7.29.1
  • kernel-pae-base >= 3.0.101-0.7.29.1
  • kernel-pae-devel >= 3.0.101-0.7.29.1
  • kernel-source >= 3.0.101-0.7.29.1
  • kernel-syms >= 3.0.101-0.7.29.1
  • kernel-trace >= 3.0.101-0.7.29.1
  • kernel-trace-base >= 3.0.101-0.7.29.1
  • kernel-trace-devel >= 3.0.101-0.7.29.1
  • kernel-xen >= 3.0.101-0.7.29.1
  • kernel-xen-base >= 3.0.101-0.7.29.1
  • kernel-xen-devel >= 3.0.101-0.7.29.1
  • xen-kmp-default >= 4.1.6_08_3.0.101_0.7.29-0.5.19
  • xen-kmp-pae >= 4.1.6_08_3.0.101_0.7.29-0.5.19
  • xen-kmp-trace >= 4.1.6_08_3.0.101_0.7.29-0.5.19
 Patchnames:
slessp2-kernel
SUSE Linux Enterprise Server 11 SP3
  • cluster-network-kmp-bigsmp >= 1.4_3.0.101_0.46-2.27.120
  • cluster-network-kmp-default >= 1.4_3.0.101_0.46-2.27.120
  • cluster-network-kmp-pae >= 1.4_3.0.101_0.42-2.27.115
  • cluster-network-kmp-ppc64 >= 1.4_3.0.101_0.42-2.27.115
  • cluster-network-kmp-trace >= 1.4_3.0.101_0.46-2.27.120
  • cluster-network-kmp-xen >= 1.4_3.0.101_0.46-2.27.120
  • gfs2-kmp-bigsmp >= 2_3.0.101_0.46-0.16.126
  • gfs2-kmp-default >= 2_3.0.101_0.46-0.16.126
  • gfs2-kmp-pae >= 2_3.0.101_0.42-0.16.121
  • gfs2-kmp-ppc64 >= 2_3.0.101_0.42-0.16.121
  • gfs2-kmp-trace >= 2_3.0.101_0.46-0.16.126
  • gfs2-kmp-xen >= 2_3.0.101_0.46-0.16.126
  • kernel-bigsmp >= 3.0.101-0.46.1
  • kernel-bigsmp-base >= 3.0.101-0.46.1
  • kernel-bigsmp-devel >= 3.0.101-0.46.1
  • kernel-default >= 3.0.101-0.46.1
  • kernel-default-base >= 3.0.101-0.46.1
  • kernel-default-devel >= 3.0.101-0.46.1
  • kernel-default-man >= 3.0.101-0.42.1
  • kernel-ec2 >= 3.0.101-0.46.1
  • kernel-ec2-base >= 3.0.101-0.46.1
  • kernel-ec2-devel >= 3.0.101-0.46.1
  • kernel-pae >= 3.0.101-0.42.1
  • kernel-pae-base >= 3.0.101-0.42.1
  • kernel-pae-devel >= 3.0.101-0.42.1
  • kernel-ppc64 >= 3.0.101-0.42.1
  • kernel-ppc64-base >= 3.0.101-0.42.1
  • kernel-ppc64-devel >= 3.0.101-0.42.1
  • kernel-source >= 3.0.101-0.46.1
  • kernel-syms >= 3.0.101-0.46.1
  • kernel-trace >= 3.0.101-0.46.1
  • kernel-trace-base >= 3.0.101-0.46.1
  • kernel-trace-devel >= 3.0.101-0.46.1
  • kernel-xen >= 3.0.101-0.46.1
  • kernel-xen-base >= 3.0.101-0.46.1
  • kernel-xen-devel >= 3.0.101-0.46.1
  • ocfs2-kmp-bigsmp >= 1.6_3.0.101_0.46-0.20.120
  • ocfs2-kmp-default >= 1.6_3.0.101_0.46-0.20.120
  • ocfs2-kmp-pae >= 1.6_3.0.101_0.42-0.20.115
  • ocfs2-kmp-ppc64 >= 1.6_3.0.101_0.42-0.20.115
  • ocfs2-kmp-trace >= 1.6_3.0.101_0.46-0.20.120
  • ocfs2-kmp-xen >= 1.6_3.0.101_0.46-0.20.120
  • xen-kmp-default >= 4.2.5_02_3.0.101_0.46-0.7.9
  • xen-kmp-pae >= 4.2.5_02_3.0.101_0.42-0.7.2
 Patchnames:
slehasp3-kernel
slessp3-kernel
SUSE Linux Enterprise Server 11 SP4
  • kernel-default >= 3.0.101-63.1
  • kernel-default-base >= 3.0.101-63.1
  • kernel-default-devel >= 3.0.101-63.1
  • kernel-default-man >= 3.0.101-63.1
  • kernel-docs >= 3.0.101-63.1
  • kernel-pae >= 3.0.101-63.1
  • kernel-pae-base >= 3.0.101-63.1
  • kernel-pae-devel >= 3.0.101-63.1
  • kernel-ppc64 >= 3.0.101-63.1
  • kernel-ppc64-base >= 3.0.101-63.1
  • kernel-ppc64-devel >= 3.0.101-63.1
  • kernel-source >= 3.0.101-63.1
  • kernel-syms >= 3.0.101-63.1
  • kernel-trace >= 3.0.101-63.1
  • kernel-trace-base >= 3.0.101-63.1
  • kernel-trace-devel >= 3.0.101-63.1
  • kernel-xen >= 3.0.101-63.1
  • kernel-xen-base >= 3.0.101-63.1
  • kernel-xen-devel >= 3.0.101-63.1
 Patchnames:
SUSE Linux Enterprise Server 11 SP4 GA kernel-default-3.0.101-63.1
SUSE Linux Enterprise Software Development Kit 11 SP4 GA kernel-docs-3.0.101-63.1
SUSE Linux Enterprise Server for SAP Applications 11 SP3
  • kernel-bigsmp >= 3.0.101-0.46.1
  • kernel-bigsmp-base >= 3.0.101-0.46.1
  • kernel-bigsmp-devel >= 3.0.101-0.46.1
  • kernel-default >= 3.0.101-0.46.1
  • kernel-default-base >= 3.0.101-0.46.1
  • kernel-default-devel >= 3.0.101-0.46.1
  • kernel-default-man >= 3.0.101-0.42.1
  • kernel-ec2 >= 3.0.101-0.46.1
  • kernel-ec2-base >= 3.0.101-0.46.1
  • kernel-ec2-devel >= 3.0.101-0.46.1
  • kernel-pae >= 3.0.101-0.42.1
  • kernel-pae-base >= 3.0.101-0.42.1
  • kernel-pae-devel >= 3.0.101-0.42.1
  • kernel-ppc64 >= 3.0.101-0.42.1
  • kernel-ppc64-base >= 3.0.101-0.42.1
  • kernel-ppc64-devel >= 3.0.101-0.42.1
  • kernel-source >= 3.0.101-0.46.1
  • kernel-syms >= 3.0.101-0.46.1
  • kernel-trace >= 3.0.101-0.46.1
  • kernel-trace-base >= 3.0.101-0.46.1
  • kernel-trace-devel >= 3.0.101-0.46.1
  • kernel-xen >= 3.0.101-0.46.1
  • kernel-xen-base >= 3.0.101-0.46.1
  • kernel-xen-devel >= 3.0.101-0.46.1
  • xen-kmp-default >= 4.2.5_02_3.0.101_0.46-0.7.9
  • xen-kmp-pae >= 4.2.5_02_3.0.101_0.42-0.7.2
 Patchnames:
slessp3-kernel

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SLES for SAP Applications kernel-default Unsupported
SLES for SAP Applications kernel-source Unsupported
SUSE CaaS Platform 4.5 kernel-default Analysis
SUSE CaaS Platform 4.5 kernel-source Analysis
SUSE Enterprise Storage 7 kernel-default Analysis
SUSE Enterprise Storage 7 kernel-source Analysis
SUSE Linux Enterprise Desktop 11 SP2 kernel-default In progress
SUSE Linux Enterprise Desktop 11 SP2 kernel-source In progress
SUSE Linux Enterprise Desktop 11 SP3 kernel-default Released
SUSE Linux Enterprise Desktop 11 SP3 kernel-source Released
SUSE Linux Enterprise Desktop 12 SP3 kernel-default Not affected
SUSE Linux Enterprise Desktop 12 SP3 kernel-source Not affected
SUSE Linux Enterprise Desktop 12 SP4 kernel-default Released
SUSE Linux Enterprise Desktop 12 SP4 kernel-source Released
SUSE Linux Enterprise Desktop 15 kernel-default Not affected
SUSE Linux Enterprise Desktop 15 kernel-source Not affected
SUSE Linux Enterprise Desktop 15 SP3 kernel-default Not affected
SUSE Linux Enterprise Desktop 15 SP3 kernel-source Not affected
SUSE Linux Enterprise Desktop 15 SP4 kernel-default Analysis
SUSE Linux Enterprise Desktop 15 SP4 kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 12 SP4 kernel-default Released
SUSE Linux Enterprise High Performance Computing 12 SP4 kernel-source Released
SUSE Linux Enterprise High Performance Computing 15 kernel-default Not affected
SUSE Linux Enterprise High Performance Computing 15 kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS kernel-default Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2 ESPOS kernel-default Analysis
SUSE Linux Enterprise High Performance Computing 15 SP2 ESPOS kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS kernel-default Analysis
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 15 SP3 kernel-default Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3 kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4 kernel-default Analysis
SUSE Linux Enterprise High Performance Computing 15 SP4 kernel-source Analysis
SUSE Linux Enterprise Micro 5.0 kernel-default Not affected
SUSE Linux Enterprise Micro 5.1 kernel-default Analysis
SUSE Linux Enterprise Micro 5.1 kernel-rt Analysis
SUSE Linux Enterprise Module for Basesystem 15 kernel-default Not affected
SUSE Linux Enterprise Module for Basesystem 15 kernel-source Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 kernel-default Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 kernel-source Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 kernel-default Analysis
SUSE Linux Enterprise Module for Basesystem 15 SP4 kernel-source Analysis
SUSE Linux Enterprise Module for Development Tools 15 kernel-default Not affected
SUSE Linux Enterprise Module for Development Tools 15 kernel-source Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP3 kernel-default Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP3 kernel-source Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP4 kernel-default Analysis
SUSE Linux Enterprise Module for Development Tools 15 SP4 kernel-source Analysis
SUSE Linux Enterprise Real Time 15 SP2 kernel-default Analysis
SUSE Linux Enterprise Real Time 15 SP2 kernel-source Analysis
SUSE Linux Enterprise Server 11 SP1 kernel-default Unsupported
SUSE Linux Enterprise Server 11 SP1 kernel-source Unsupported
SUSE Linux Enterprise Server 11 SP2 kernel-default In progress
SUSE Linux Enterprise Server 11 SP2 kernel-source In progress
SUSE Linux Enterprise Server 11 SP2 LTSS kernel-default In progress
SUSE Linux Enterprise Server 11 SP2 LTSS kernel-source In progress
SUSE Linux Enterprise Server 11 SP2 for VMware kernel-default In progress
SUSE Linux Enterprise Server 11 SP2 for VMware kernel-source In progress
SUSE Linux Enterprise Server 11 SP3 kernel-default Released
SUSE Linux Enterprise Server 11 SP3 kernel-source Released
SUSE Linux Enterprise Server 11 SP3 LTSS kernel-default Released
SUSE Linux Enterprise Server 11 SP3 LTSS kernel-source Released
SUSE Linux Enterprise Server 11 SP3 for VMware kernel-default Released
SUSE Linux Enterprise Server 11 SP3 for VMware kernel-source Released
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-default Already fixed
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-source Already fixed
SUSE Linux Enterprise Server 12 LTSS kernel-default Already fixed
SUSE Linux Enterprise Server 12 LTSS kernel-source Already fixed
SUSE Linux Enterprise Server 12 SP2 BCL kernel-default Analysis
SUSE Linux Enterprise Server 12 SP2 BCL kernel-source Analysis
SUSE Linux Enterprise Server 12 SP2 LTSS kernel-default Not affected
SUSE Linux Enterprise Server 12 SP2 LTSS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP3 kernel-default Not affected
SUSE Linux Enterprise Server 12 SP3 kernel-source Not affected
SUSE Linux Enterprise Server 12 SP3 BCL kernel-default Analysis
SUSE Linux Enterprise Server 12 SP3 BCL kernel-source Analysis
SUSE Linux Enterprise Server 12 SP4 kernel-default Released
SUSE Linux Enterprise Server 12 SP4 kernel-source Released
SUSE Linux Enterprise Server 12 SP4 LTSS kernel-default Released
SUSE Linux Enterprise Server 12 SP4 LTSS kernel-source Released
SUSE Linux Enterprise Server 15 kernel-default Not affected
SUSE Linux Enterprise Server 15 kernel-source Not affected
SUSE Linux Enterprise Server 15 SP2 LTSS kernel-default Analysis
SUSE Linux Enterprise Server 15 SP2 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 15 SP3 kernel-default Not affected
SUSE Linux Enterprise Server 15 SP3 kernel-source Not affected
SUSE Linux Enterprise Server 15 SP4 kernel-default Analysis
SUSE Linux Enterprise Server 15 SP4 kernel-source Analysis
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 kernel-default Analysis
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 kernel-source Analysis
SUSE Linux Enterprise Server Business Critical Linux 15 SP2 kernel-default Analysis
SUSE Linux Enterprise Server Business Critical Linux 15 SP2 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 kernel-default Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-default Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-source Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default Released
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source Released
SUSE Linux Enterprise Server for SAP Applications 15 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 15 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-default Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-default Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-source Analysis
SUSE Linux Enterprise Storage 7.1 kernel-default Not affected
SUSE Linux Enterprise Storage 7.1 kernel-source Not affected
SUSE Manager Proxy 4.1 kernel-default Analysis
SUSE Manager Proxy 4.1 kernel-source Analysis
SUSE Manager Proxy 4.2 kernel-default Not affected
SUSE Manager Proxy 4.2 kernel-source Not affected
SUSE Manager Proxy 4.3 kernel-default Analysis
SUSE Manager Proxy 4.3 kernel-source Analysis
SUSE Manager Retail Branch Server 4.1 kernel-default Analysis
SUSE Manager Retail Branch Server 4.1 kernel-source Analysis
SUSE Manager Retail Branch Server 4.2 kernel-default Not affected
SUSE Manager Retail Branch Server 4.2 kernel-source Not affected
SUSE Manager Retail Branch Server 4.3 kernel-default Analysis
SUSE Manager Retail Branch Server 4.3 kernel-source Analysis
SUSE Manager Server 4.1 kernel-default Analysis
SUSE Manager Server 4.1 kernel-source Analysis
SUSE Manager Server 4.2 kernel-default Not affected
SUSE Manager Server 4.2 kernel-source Not affected
SUSE Manager Server 4.3 kernel-default Analysis
SUSE Manager Server 4.3 kernel-source Analysis
SUSE Real Time Module 15 SP2 kernel-source-rt Unsupported
SUSE Real Time Module 15 SP3 kernel-source-rt Not affected
SUSE Real Time Module 15 SP4 kernel-source-rt Analysis