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Ubuntu 14.04 LTS USN-2516-2 Critical: Kernel Regression Fix

ubuntu
Calendar Grey February 28, 2015
Dist Ubuntu Esm H88
=========================================================================Ubuntu Security Notice USN-
USN-2516-1 introduced a regression in the Linux kernel.

Summary

USN-2516-1 introduced a regression in the Linux kernel.

Software Description:

- linux: Linux kernel

Details:

USN-2516-1 fixed vulnerabilities in the Linux kernel. There was an unrelated

regression in the use of the virtual counter (CNTVCT) on arm64 architectures.

This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

A flaw was discovered in the Kernel Virtual Machine's (KVM) emulation of

the SYSTENTER instruction when the guest OS does not initialize the

SYSENTER MSRs. A guest OS user could exploit this flaw to cause a denial of

service of the guest OS (crash) or potentially gain privileges on the guest

OS. (CVE-2015-0239)

Andy Lutomirski discovered an information leak in the Linux kernel's Thread

Local Storage (TLS) implementation allowing users to bypass the espfix to

obtain information that could be used to bypass the Address Space Layout

Randomization (ASLR) protection mechanism. A local user could exploit ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service information leak update ubuntu linux kernel kernel regression

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS:
  block-modules-3.13.0-46-generic-di  3.13.0-46.76
  block-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  block-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  block-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  block-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  block-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  crypto-modules-3.13.0-46-generic-di  3.13.0-46.76
  crypto-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  crypto-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  crypto-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  crypto-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  crypto-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  fat-modules-3.13.0-46-generic-di  3.13.0-46.76
  fat-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  fat-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  fat-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  fat-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  fat-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  fb-modules-3.13.0-46-generic-di  3.13.0-46.76
  fb-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  fb-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  fb-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  fb-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  firewire-core-modules-3.13.0-46-generic-di  3.13.0-46.76
  firewire-core-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  firewire-core-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  firewire-core-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  firewire-core-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  floppy-modules-3.13.0-46-generic-di  3.13.0-46.76
  floppy-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  floppy-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  floppy-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  floppy-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  fs-core-modules-3.13.0-46-generic-di  3.13.0-46.76
  fs-core-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  fs-core-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  fs-core-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  fs-core-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  fs-core-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  fs-secondary-modules-3.13.0-46-generic-di  3.13.0-46.76
  fs-secondary-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  fs-secondary-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  fs-secondary-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  fs-secondary-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  fs-secondary-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  input-modules-3.13.0-46-generic-di  3.13.0-46.76
  input-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  input-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  input-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  input-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  input-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  ipmi-modules-3.13.0-46-generic-di  3.13.0-46.76
  ipmi-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  ipmi-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  ipmi-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  ipmi-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  ipmi-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  irda-modules-3.13.0-46-generic-di  3.13.0-46.76
  irda-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  irda-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  irda-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  irda-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  irda-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  kernel-image-3.13.0-46-generic-di  3.13.0-46.76
  kernel-image-3.13.0-46-generic-lpae-di  3.13.0-46.76
  kernel-image-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  kernel-image-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  kernel-image-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  kernel-image-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  linux-cloud-tools-3.13.0-46     3.13.0-46.76
  linux-cloud-tools-3.13.0-46-generic  3.13.0-46.76
  linux-cloud-tools-3.13.0-46-generic-lpae  3.13.0-46.76
  linux-cloud-tools-3.13.0-46-lowlatency  3.13.0-46.76
  linux-cloud-tools-3.13.0-46-powerpc-e500  3.13.0-46.76
  linux-cloud-tools-3.13.0-46-powerpc-e500mc  3.13.0-46.76
  linux-cloud-tools-3.13.0-46-powerpc-smp  3.13.0-46.76
  linux-cloud-tools-3.13.0-46-powerpc64-emb  3.13.0-46.76
  linux-cloud-tools-3.13.0-46-powerpc64-smp  3.13.0-46.76
  linux-cloud-tools-common        3.13.0-46.76
  linux-doc                       3.13.0-46.76
  linux-headers-3.13.0-46         3.13.0-46.76
  linux-headers-3.13.0-46-generic  3.13.0-46.76
  linux-headers-3.13.0-46-generic-lpae  3.13.0-46.76
  linux-headers-3.13.0-46-lowlatency  3.13.0-46.76
  linux-headers-3.13.0-46-powerpc-e500  3.13.0-46.76
  linux-headers-3.13.0-46-powerpc-e500mc  3.13.0-46.76
  linux-headers-3.13.0-46-powerpc-smp  3.13.0-46.76
  linux-headers-3.13.0-46-powerpc64-emb  3.13.0-46.76
  linux-headers-3.13.0-46-powerpc64-smp  3.13.0-46.76
  linux-image-3.13.0-46-generic   3.13.0-46.76
  linux-image-3.13.0-46-generic-lpae  3.13.0-46.76
  linux-image-3.13.0-46-lowlatency  3.13.0-46.76
  linux-image-3.13.0-46-powerpc-e500  3.13.0-46.76
  linux-image-3.13.0-46-powerpc-e500mc  3.13.0-46.76
  linux-image-3.13.0-46-powerpc-smp  3.13.0-46.76
  linux-image-3.13.0-46-powerpc64-emb  3.13.0-46.76
  linux-image-3.13.0-46-powerpc64-smp  3.13.0-46.76
  linux-image-extra-3.13.0-46-generic  3.13.0-46.76
  linux-image-extra-3.13.0-46-generic-lpae  3.13.0-46.76
  linux-image-extra-3.13.0-46-lowlatency  3.13.0-46.76
  linux-image-extra-3.13.0-46-powerpc-e500  3.13.0-46.76
  linux-image-extra-3.13.0-46-powerpc-e500mc  3.13.0-46.76
  linux-image-extra-3.13.0-46-powerpc-smp  3.13.0-46.76
  linux-image-extra-3.13.0-46-powerpc64-emb  3.13.0-46.76
  linux-image-extra-3.13.0-46-powerpc64-smp  3.13.0-46.76
  linux-libc-dev                  3.13.0-46.76
  linux-source-3.13.0             3.13.0-46.76
  linux-tools-3.13.0-46           3.13.0-46.76
  linux-tools-3.13.0-46-generic   3.13.0-46.76
  linux-tools-3.13.0-46-generic-lpae  3.13.0-46.76
  linux-tools-3.13.0-46-lowlatency  3.13.0-46.76
  linux-tools-3.13.0-46-powerpc-e500  3.13.0-46.76
  linux-tools-3.13.0-46-powerpc-e500mc  3.13.0-46.76
  linux-tools-3.13.0-46-powerpc-smp  3.13.0-46.76
  linux-tools-3.13.0-46-powerpc64-emb  3.13.0-46.76
  linux-tools-3.13.0-46-powerpc64-smp  3.13.0-46.76
  linux-tools-common              3.13.0-46.76
  linux-udebs-generic             3.13.0-46.76
  linux-udebs-generic-lpae        3.13.0-46.76
  linux-udebs-lowlatency          3.13.0-46.76
  linux-udebs-powerpc-e500        3.13.0-46.76
  linux-udebs-powerpc-e500mc      3.13.0-46.76
  linux-udebs-powerpc-smp         3.13.0-46.76
  linux-udebs-powerpc64-emb       3.13.0-46.76
  linux-udebs-powerpc64-smp       3.13.0-46.76
  md-modules-3.13.0-46-generic-di  3.13.0-46.76
  md-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  md-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  md-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  md-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  md-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  message-modules-3.13.0-46-generic-di  3.13.0-46.76
  message-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  message-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  message-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  message-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  mouse-modules-3.13.0-46-generic-di  3.13.0-46.76
  mouse-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  mouse-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  mouse-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  mouse-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  mouse-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  multipath-modules-3.13.0-46-generic-di  3.13.0-46.76
  multipath-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  multipath-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  multipath-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  multipath-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  multipath-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  nfs-modules-3.13.0-46-generic-di  3.13.0-46.76
  nfs-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  nfs-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  nfs-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  nfs-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  nfs-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  nic-modules-3.13.0-46-generic-di  3.13.0-46.76
  nic-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  nic-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  nic-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  nic-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  nic-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  nic-pcmcia-modules-3.13.0-46-generic-di  3.13.0-46.76
  nic-pcmcia-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  nic-pcmcia-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  nic-pcmcia-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  nic-pcmcia-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  nic-shared-modules-3.13.0-46-generic-di  3.13.0-46.76
  nic-shared-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  nic-shared-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  nic-shared-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  nic-shared-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  nic-shared-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  nic-usb-modules-3.13.0-46-generic-di  3.13.0-46.76
  nic-usb-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  nic-usb-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  nic-usb-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  nic-usb-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  nic-usb-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  parport-modules-3.13.0-46-generic-di  3.13.0-46.76
  parport-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  parport-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  parport-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  parport-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  parport-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  pata-modules-3.13.0-46-generic-di  3.13.0-46.76
  pata-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  pata-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  pata-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  pata-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  pcmcia-modules-3.13.0-46-generic-di  3.13.0-46.76
  pcmcia-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  pcmcia-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  pcmcia-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  pcmcia-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  pcmcia-storage-modules-3.13.0-46-generic-di  3.13.0-46.76
  pcmcia-storage-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  pcmcia-storage-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  pcmcia-storage-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  pcmcia-storage-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  plip-modules-3.13.0-46-generic-di  3.13.0-46.76
  plip-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  plip-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  plip-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  plip-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  plip-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  ppp-modules-3.13.0-46-generic-di  3.13.0-46.76
  ppp-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  ppp-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  ppp-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  ppp-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  ppp-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  sata-modules-3.13.0-46-generic-di  3.13.0-46.76
  sata-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  sata-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  sata-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  sata-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  sata-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  scsi-modules-3.13.0-46-generic-di  3.13.0-46.76
  scsi-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  scsi-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  scsi-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  scsi-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  scsi-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  serial-modules-3.13.0-46-generic-di  3.13.0-46.76
  serial-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  serial-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  serial-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  serial-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  speakup-modules-3.13.0-46-generic-di  3.13.0-46.76
  speakup-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  speakup-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  speakup-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  speakup-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  speakup-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  squashfs-modules-3.13.0-46-generic-di  3.13.0-46.76
  squashfs-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  squashfs-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  squashfs-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  squashfs-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  squashfs-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  storage-core-modules-3.13.0-46-generic-di  3.13.0-46.76
  storage-core-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  storage-core-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  storage-core-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  storage-core-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  storage-core-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  usb-modules-3.13.0-46-generic-di  3.13.0-46.76
  usb-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  usb-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  usb-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  usb-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  usb-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  virtio-modules-3.13.0-46-generic-di  3.13.0-46.76
  virtio-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  virtio-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  virtio-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  virtio-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76
  vlan-modules-3.13.0-46-generic-di  3.13.0-46.76
  vlan-modules-3.13.0-46-generic-lpae-di  3.13.0-46.76
  vlan-modules-3.13.0-46-powerpc-e500-di  3.13.0-46.76
  vlan-modules-3.13.0-46-powerpc-e500mc-di  3.13.0-46.76
  vlan-modules-3.13.0-46-powerpc-smp-di  3.13.0-46.76
  vlan-modules-3.13.0-46-powerpc64-smp-di  3.13.0-46.76

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-2516-2

https://ubuntu.com/security/notices/USN-2516-1

--filter-bins

Severity
critical
Lowest
Low
Medium
High
Critical

February 28, 2015

Topics%20covered

Topics Covered

security advisory denial of service information leak update ubuntu linux kernel kernel regression

Package Information

https://launchpad.net/ubuntu/+source/linux/3.13.0-46.76

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