Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title Linux kernel vulnerabilities
Informations
Name USN-4095-1 First vendor Publication 2019-08-13
Vendor Ubuntu Last vendor Modification 2019-08-13
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:A/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 8.3 Attack Range Adjacent network
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 6.5 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description: - linux: Linux kernel - linux-aws: Linux kernel for Amazon Web Services (AWS) systems - linux-kvm: Linux kernel for cloud environments - linux-raspi2: Linux kernel for Raspberry Pi 2 - linux-snapdragon: Linux kernel for Snapdragon processors

Details:

Eli Biham and Lior Neumann discovered that the Bluetooth implementation in the Linux kernel did not properly validate elliptic curve parameters during Diffie-Hellman key exchange in some situations. An attacker could use this to expose sensitive information. (CVE-2018-5383)

It was discovered that a heap buffer overflow existed in the Marvell Wireless LAN device driver for the Linux kernel. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-10126)

Andrei Vlad Lutas and Dan Lutas discovered that some x86 processors incorrectly handle SWAPGS instructions during speculative execution. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2019-1125)

Jann Horn discovered that a race condition existed in the Linux kernel when performing core dumps. A local attacker could use this to cause a denial of service (system crash) or expose sensitive information. (CVE-2019-11599)

It was discovered that the PowerPC dlpar implementation in the Linux kernel did not properly check for allocation errors in some situations. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2019-12614)

Jann Horn discovered that the ptrace implementation in the Linux kernel did not properly record credentials in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2019-13272)

It was discovered that the Marvell Wireless LAN device driver in the Linux kernel did not properly validate the BSS descriptor. A local attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-3846)

Update instructions:

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

Ubuntu 16.04 LTS:
linux-image-4.4.0-1054-kvm 4.4.0-1054.61
linux-image-4.4.0-1090-aws 4.4.0-1090.101
linux-image-4.4.0-1118-raspi2 4.4.0-1118.127
linux-image-4.4.0-1122-snapdragon 4.4.0-1122.128
linux-image-4.4.0-159-generic 4.4.0-159.187
linux-image-4.4.0-159-generic-lpae 4.4.0-159.187
linux-image-4.4.0-159-lowlatency 4.4.0-159.187
linux-image-4.4.0-159-powerpc-e500mc 4.4.0-159.187
linux-image-4.4.0-159-powerpc-smp 4.4.0-159.187
linux-image-4.4.0-159-powerpc64-emb 4.4.0-159.187
linux-image-4.4.0-159-powerpc64-smp 4.4.0-159.187
linux-image-aws 4.4.0.1090.94
linux-image-generic 4.4.0.159.167
linux-image-generic-lpae 4.4.0.159.167
linux-image-kvm 4.4.0.1054.54
linux-image-lowlatency 4.4.0.159.167
linux-image-powerpc-e500mc 4.4.0.159.167
linux-image-powerpc-smp 4.4.0.159.167
linux-image-powerpc64-emb 4.4.0.159.167
linux-image-powerpc64-smp 4.4.0.159.167
linux-image-raspi2 4.4.0.1118.118
linux-image-snapdragon 4.4.0.1122.114
linux-image-virtual 4.4.0.159.167

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/4095-1
CVE-2018-5383, CVE-2019-10126, CVE-2019-1125, CVE-2019-11599,
CVE-2019-12614, CVE-2019-13272, CVE-2019-3846, CVE-2019-9503

Package Information:
https://launchpad.net/ubuntu/+source/linux/4.4.0-159.187
https://launchpad.net/ubuntu/+source/linux-aws/4.4.0-1090.101
https://launchpad.net/ubuntu/+source/linux-kvm/4.4.0-1054.61
https://launchpad.net/ubuntu/+source/linux-raspi2/4.4.0-1118.127
https://launchpad.net/ubuntu/+source/linux-snapdragon/4.4.0-1122.128

Original Source

Url : http://www.ubuntu.com/usn/USN-4095-1

CWE : Common Weakness Enumeration

% Id Name
33 % CWE-122 Heap-based Buffer Overflow (CWE/SANS Top 25)
17 % CWE-667 Insufficient Locking
17 % CWE-476 NULL Pointer Dereference
17 % CWE-347 Improper Verification of Cryptographic Signature
17 % CWE-269 Improper Privilege Management

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2
Application 1
Application 2
Application 1
Application 1
Application 18
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Hardware 1
Os 167
Os 136
Os 5
Os 3
Os 2
Os 7
Os 3326
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 3
Os 2
Os 1
Os 1
Os 3
Os 3
Os 2
Os 1
Os 4
Os 2
Os 1
Os 2
Os 2
Os 2
Os 1
Os 1
Os 3
Os 1

Nessus® Vulnerability Scanner

Date Description
2018-10-18 Name : The remote host is missing a macOS update that fixes multiple security vulner...
File : macos_10_14.nasl - Type : ACT_GATHER_INFO
2018-09-18 Name : The remote Apple TV device is affected by multiple vulnerabilities.
File : appletv_12.nasl - Type : ACT_GATHER_INFO
2018-07-17 Name : The remote host is missing a macOS update that fixes multiple security vulner...
File : macos_10_13_6.nasl - Type : ACT_GATHER_INFO
2018-07-17 Name : The remote host is missing a macOS or Mac OS X security update that fixes mul...
File : macosx_SecUpd2018-004.nasl - Type : ACT_GATHER_INFO
2018-06-05 Name : The remote Apple TV device is affected by multiple vulnerabilities.
File : appletv_11_4.nasl - Type : ACT_GATHER_INFO
2018-06-05 Name : The remote host is missing a macOS update that fixes multiple security vulner...
File : macos_10_13_5.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
Date Informations
2019-09-11 12:07:19
  • Multiple Updates
2019-08-14 12:13:56
  • Multiple Updates
2019-08-13 21:19:10
  • First insertion