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Ubuntu Security Notice USN-4228-1

Ubuntu Security Notice USN-4228-1
Posted Jan 7, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4228-1 - It was discovered that a heap-based buffer overflow existed in the Marvell WiFi-Ex Driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a heap-based buffer overflow existed in the Marvell Libertas WLAN Driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2019-14895, CVE-2019-18660, CVE-2019-19052, CVE-2019-19524, CVE-2019-19534
SHA-256 | a3e4222fc7e06b89b4de61d6570f14345fef41adaf9b37a34001a797f38b4886

Ubuntu Security Notice USN-4228-1

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4228-1
January 07, 2020

linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon
vulnerabilities
=========================================================================
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:

It was discovered that a heap-based buffer overflow existed in the Marvell
WiFi-Ex Driver for the Linux kernel. A physically proximate attacker could
use this to cause a denial of service (system crash) or possibly execute
arbitrary code. (CVE-2019-14895, CVE-2019-14901)

It was discovered that a heap-based buffer overflow existed in the Marvell
Libertas WLAN Driver for the Linux kernel. A physically proximate attacker
could use this to cause a denial of service (system crash) or possibly
execute arbitrary code. (CVE-2019-14896, CVE-2019-14897)

Anthony Steinhauser discovered that the Linux kernel did not properly
perform Spectre_RSB mitigations to all processors for PowerPC architecture
systems in some situations. A local attacker could use this to expose
sensitive information. (CVE-2019-18660)

It was discovered that Geschwister Schneider USB CAN interface driver in
the Linux kernel did not properly deallocate memory in certain failure
conditions. A physically proximate attacker could use this to cause a
denial of service (kernel memory exhaustion). (CVE-2019-19052)

It was discovered that the driver for memoryless force-feedback input
devices in the Linux kernel contained a use-after-free vulnerability. A
physically proximate attacker could possibly use this to cause a denial of
service (system crash) or execute arbitrary code. (CVE-2019-19524)

It was discovered that the PEAK-System Technik USB driver in the Linux
kernel did not properly sanitize memory before sending it to the device. A
physically proximate attacker could use this to expose sensitive
information (kernel memory). (CVE-2019-19534)

Update instructions:

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

Ubuntu 16.04 LTS:
linux-image-4.4.0-1064-kvm 4.4.0-1064.71
linux-image-4.4.0-1100-aws 4.4.0-1100.111
linux-image-4.4.0-1127-raspi2 4.4.0-1127.136
linux-image-4.4.0-1131-snapdragon 4.4.0-1131.139
linux-image-4.4.0-171-generic 4.4.0-171.200
linux-image-4.4.0-171-generic-lpae 4.4.0-171.200
linux-image-4.4.0-171-lowlatency 4.4.0-171.200
linux-image-4.4.0-171-powerpc-e500mc 4.4.0-171.200
linux-image-4.4.0-171-powerpc-smp 4.4.0-171.200
linux-image-4.4.0-171-powerpc64-emb 4.4.0-171.200
linux-image-4.4.0-171-powerpc64-smp 4.4.0-171.200
linux-image-aws 4.4.0.1100.104
linux-image-generic 4.4.0.171.179
linux-image-generic-lpae 4.4.0.171.179
linux-image-kvm 4.4.0.1064.64
linux-image-lowlatency 4.4.0.171.179
linux-image-powerpc-e500mc 4.4.0.171.179
linux-image-powerpc-smp 4.4.0.171.179
linux-image-powerpc64-emb 4.4.0.171.179
linux-image-powerpc64-smp 4.4.0.171.179
linux-image-raspi2 4.4.0.1127.127
linux-image-snapdragon 4.4.0.1131.123
linux-image-virtual 4.4.0.171.179

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/4228-1
CVE-2019-14895, CVE-2019-14896, CVE-2019-14897, CVE-2019-14901,
CVE-2019-18660, CVE-2019-19052, CVE-2019-19524, CVE-2019-19534

Package Information:
https://launchpad.net/ubuntu/+source/linux/4.4.0-171.200
https://launchpad.net/ubuntu/+source/linux-aws/4.4.0-1100.111
https://launchpad.net/ubuntu/+source/linux-kvm/4.4.0-1064.71
https://launchpad.net/ubuntu/+source/linux-raspi2/4.4.0-1127.136
https://launchpad.net/ubuntu/+source/linux-snapdragon/4.4.0-1131.139
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