exploit the possibilities
Home Files News &[SERVICES_TAB]About Contact Add New

Ubuntu Security Notice USN-3631-2

Ubuntu Security Notice USN-3631-2
Posted Apr 24, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3631-2 - USN-3631-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that a buffer overread vulnerability existed in the keyring subsystem of the Linux kernel. A local attacker could possibly use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-13305, CVE-2017-16538, CVE-2018-1000004, CVE-2018-5750, CVE-2018-7566
SHA-256 | 8c11dde9cfc9285201a93a634d7dc7a7c852023b641bd9ef89d596e787a65db5

Ubuntu Security Notice USN-3631-2

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3631-2
April 24, 2018

linux-lts-xenial, linux-aws vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux-aws: Linux kernel for Amazon Web Services (AWS) systems
- linux-lts-xenial: Linux hardware enablement kernel from Xenial for Trusty

Details:

USN-3631-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu
14.04 LTS.

It was discovered that a buffer overread vulnerability existed in the
keyring subsystem of the Linux kernel. A local attacker could possibly use
this to expose sensitive information (kernel memory). (CVE-2017-13305)

It was discovered that the DM04/QQBOX USB driver in the Linux kernel did
not properly handle device attachment and warm-start. A physically
proximate attacker could use this to cause a denial of service (system
crash) or possibly execute arbitrary code. (CVE-2017-16538)

Luo Quan and Wei Yang discovered that a race condition existed in the
Advanced Linux Sound Architecture (ALSA) subsystem of the Linux kernel when
handling ioctl()s. A local attacker could use this to cause a denial of
service (system deadlock). (CVE-2018-1000004)

Wang Qize discovered that an information disclosure vulnerability existed
in the SMBus driver for ACPI Embedded Controllers in the Linux kernel. A
local attacker could use this to expose sensitive information (kernel
pointer addresses). (CVE-2018-5750)

ee3/4ePS discovered that a race condition existed in the Advanced Linux
Sound Architecture (ALSA) subsystem of the Linux kernel that could lead to
a use-after-free or an out-of-bounds buffer access. A local attacker with
access to /dev/snd/seq could use this to cause a denial of service (system
crash) or possibly execute arbitrary code. (CVE-2018-7566)

Update instructions:

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

Ubuntu 14.04 LTS:
linux-image-4.4.0-1017-aws 4.4.0-1017.17
linux-image-4.4.0-121-generic 4.4.0-121.145~14.04.1
linux-image-4.4.0-121-generic-lpae 4.4.0-121.145~14.04.1
linux-image-4.4.0-121-lowlatency 4.4.0-121.145~14.04.1
linux-image-4.4.0-121-powerpc-e500mc 4.4.0-121.145~14.04.1
linux-image-4.4.0-121-powerpc-smp 4.4.0-121.145~14.04.1
linux-image-4.4.0-121-powerpc64-emb 4.4.0-121.145~14.04.1
linux-image-4.4.0-121-powerpc64-smp 4.4.0-121.145~14.04.1
linux-image-aws 4.4.0.1017.17
linux-image-generic-lpae-lts-xenial 4.4.0.121.102
linux-image-generic-lts-xenial 4.4.0.121.102
linux-image-lowlatency-lts-xenial 4.4.0.121.102
linux-image-powerpc-e500mc-lts-xenial 4.4.0.121.102
linux-image-powerpc-smp-lts-xenial 4.4.0.121.102
linux-image-powerpc64-emb-lts-xenial 4.4.0.121.102
linux-image-powerpc64-smp-lts-xenial 4.4.0.121.102

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

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References:
https://usn.ubuntu.com/usn/usn-3631-2
https://usn.ubuntu.com/usn/usn-3631-1
CVE-2017-13305, CVE-2017-16538, CVE-2018-1000004, CVE-2018-5750,
CVE-2018-7566

Package Information:
https://launchpad.net/ubuntu/+source/linux-aws/4.4.0-1017.17
https://launchpad.net/ubuntu/+source/linux-lts-xenial/4.4.0-121.145~14.04.1

Login or Register to add favorites

File Archive:

March 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Mar 1st
    16 Files
  • 2
    Mar 2nd
    0 Files
  • 3
    Mar 3rd
    0 Files
  • 4
    Mar 4th
    32 Files
  • 5
    Mar 5th
    28 Files
  • 6
    Mar 6th
    42 Files
  • 7
    Mar 7th
    17 Files
  • 8
    Mar 8th
    13 Files
  • 9
    Mar 9th
    0 Files
  • 10
    Mar 10th
    0 Files
  • 11
    Mar 11th
    15 Files
  • 12
    Mar 12th
    19 Files
  • 13
    Mar 13th
    21 Files
  • 14
    Mar 14th
    38 Files
  • 15
    Mar 15th
    15 Files
  • 16
    Mar 16th
    0 Files
  • 17
    Mar 17th
    0 Files
  • 18
    Mar 18th
    10 Files
  • 19
    Mar 19th
    32 Files
  • 20
    Mar 20th
    46 Files
  • 21
    Mar 21st
    16 Files
  • 22
    Mar 22nd
    13 Files
  • 23
    Mar 23rd
    0 Files
  • 24
    Mar 24th
    0 Files
  • 25
    Mar 25th
    12 Files
  • 26
    Mar 26th
    31 Files
  • 27
    Mar 27th
    19 Files
  • 28
    Mar 28th
    0 Files
  • 29
    Mar 29th
    0 Files
  • 30
    Mar 30th
    0 Files
  • 31
    Mar 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close