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Ubuntu Security Notice USN-4210-1

Ubuntu Security Notice USN-4210-1
Posted Dec 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4210-1 - It was discovered that a buffer overflow existed in the 802.11 Wi-Fi configuration interface for the Linux kernel when handling beacon settings. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Nicolas Waisman discovered that the WiFi driver stack in the Linux kernel did not properly validate SSID lengths. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2019-16746, CVE-2019-17075, CVE-2019-17133, CVE-2019-19060, CVE-2019-19065, CVE-2019-19075
MD5 | 2dffe6f365bbfab733df27756d97d663

Ubuntu Security Notice USN-4210-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4210-1
December 03, 2019

linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gke-4.15, linux-hwe,
linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon
vulnerabilities
==========================================================================

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

- Ubuntu 18.04 LTS
- 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-gke-4.15: Linux kernel for Google Container Engine (GKE) systems
- linux-kvm: Linux kernel for cloud environments
- linux-oem: Linux kernel for OEM processors
- linux-oracle: Linux kernel for Oracle Cloud systems
- linux-raspi2: Linux kernel for Raspberry Pi 2
- linux-snapdragon: Linux kernel for Snapdragon processors
- linux-aws-hwe: Linux kernel for Amazon Web Services (AWS-HWE) systems
- linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems
- linux-hwe: Linux hardware enablement (HWE) kernel

Details:

It was discovered that a buffer overflow existed in the 802.11 Wi-Fi
configuration interface for the Linux kernel when handling beacon settings.
A local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2019-16746)

Nicolas Waisman discovered that the WiFi driver stack in the Linux kernel
did not properly validate SSID lengths. A physically proximate attacker
could use this to cause a denial of service (system crash).
(CVE-2019-17133)

It was discovered that the ADIS16400 IIO IMU Driver for the Linux kernel
did not properly deallocate memory in certain error conditions. A local
attacker could use this to cause a denial of service (memory exhaustion).
(CVE-2019-19060)

It was discovered that the Intel OPA Gen1 Infiniband Driver for the Linux
kernel did not properly deallocate memory in certain error conditions. A
local attacker could use this to cause a denial of service (memory
exhaustion). (CVE-2019-19065)

It was discovered that the Cascoda CA8210 SPI 802.15.4 wireless controller
driver for the Linux kernel did not properly deallocate memory in certain
error conditions. A local attacker could use this to cause a denial of
service (memory exhaustion). (CVE-2019-19075)

Nicolas Waisman discovered that the Chelsio T4/T5 RDMA Driver for the Linux
kernel performed DMA from a kernel stack. A local attacker could use this
to cause a denial of service (system crash). (CVE-2019-17075)

Update instructions:

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

Ubuntu 18.04 LTS:
linux-image-4.15.0-1030-oracle 4.15.0-1030.33
linux-image-4.15.0-1049-gke 4.15.0-1049.52
linux-image-4.15.0-1051-kvm 4.15.0-1051.51
linux-image-4.15.0-1052-raspi2 4.15.0-1052.56
linux-image-4.15.0-1056-aws 4.15.0-1056.58
linux-image-4.15.0-1065-oem 4.15.0-1065.75
linux-image-4.15.0-1069-snapdragon 4.15.0-1069.76
linux-image-4.15.0-72-generic 4.15.0-72.81
linux-image-4.15.0-72-generic-lpae 4.15.0-72.81
linux-image-4.15.0-72-lowlatency 4.15.0-72.81
linux-image-aws 4.15.0.1056.57
linux-image-aws-lts-18.04 4.15.0.1056.57
linux-image-generic 4.15.0.72.74
linux-image-generic-lpae 4.15.0.72.74
linux-image-gke 4.15.0.1049.52
linux-image-gke-4.15 4.15.0.1049.52
linux-image-kvm 4.15.0.1051.51
linux-image-lowlatency 4.15.0.72.74
linux-image-oem 4.15.0.1065.69
linux-image-oracle 4.15.0.1030.35
linux-image-oracle-lts-18.04 4.15.0.1030.35
linux-image-powerpc-e500mc 4.15.0.72.74
linux-image-powerpc-smp 4.15.0.72.74
linux-image-powerpc64-emb 4.15.0.72.74
linux-image-powerpc64-smp 4.15.0.72.74
linux-image-raspi2 4.15.0.1052.50
linux-image-snapdragon 4.15.0.1069.72
linux-image-virtual 4.15.0.72.74

Ubuntu 16.04 LTS:
linux-image-4.15.0-1030-oracle 4.15.0-1030.33~16.04.1
linux-image-4.15.0-1050-gcp 4.15.0-1050.53
linux-image-4.15.0-1056-aws 4.15.0-1056.58~16.04.1
linux-image-4.15.0-72-generic 4.15.0-72.81~16.04.1
linux-image-4.15.0-72-generic-lpae 4.15.0-72.81~16.04.1
linux-image-4.15.0-72-lowlatency 4.15.0-72.81~16.04.1
linux-image-aws-hwe 4.15.0.1056.56
linux-image-gcp 4.15.0.1050.64
linux-image-generic-hwe-16.04 4.15.0.72.92
linux-image-generic-lpae-hwe-16.04 4.15.0.72.92
linux-image-gke 4.15.0.1050.64
linux-image-lowlatency-hwe-16.04 4.15.0.72.92
linux-image-oem 4.15.0.72.92
linux-image-oracle 4.15.0.1030.23
linux-image-virtual-hwe-16.04 4.15.0.72.92

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/4210-1
CVE-2019-16746, CVE-2019-17075, CVE-2019-17133, CVE-2019-19060,
CVE-2019-19065, CVE-2019-19075

Package Information:
https://launchpad.net/ubuntu/+source/linux/4.15.0-72.81
https://launchpad.net/ubuntu/+source/linux-aws/4.15.0-1056.58
https://launchpad.net/ubuntu/+source/linux-gke-4.15/4.15.0-1049.52
https://launchpad.net/ubuntu/+source/linux-kvm/4.15.0-1051.51
https://launchpad.net/ubuntu/+source/linux-oem/4.15.0-1065.75
https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1030.33
https://launchpad.net/ubuntu/+source/linux-raspi2/4.15.0-1052.56
https://launchpad.net/ubuntu/+source/linux-snapdragon/4.15.0-1069.76
https://launchpad.net/ubuntu/+source/linux-aws-hwe/4.15.0-1056.58~16.04.1
https://launchpad.net/ubuntu/+source/linux-gcp/4.15.0-1050.53
https://launchpad.net/ubuntu/+source/linux-hwe/4.15.0-72.81~16.04.1
https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1030.33~16.04.1

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