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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: USN-3797-1
Distribution: Ubuntu
Plattformen: Ubuntu 16.04 LTS
Datum: Di, 23. Oktober 2018, 06:30
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10938
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16658
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-9363
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14734
Applikationen: Linux

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-3797-1
October 23, 2018

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:

Noam Rathaus discovered that a use-after-free vulnerability existed in the
Infiniband implementation in the Linux kernel. An attacker could use this
to cause a denial of service (system crash). (CVE-2018-14734)

It was discovered that an integer overflow existed in the CD-ROM driver of
the Linux kernel. A local attacker could use this to expose sensitive
information (kernel memory). (CVE-2018-16658)

It was discovered that an integer overflow existed in the HID Bluetooth
implementation in the Linux kernel that could lead to a buffer overwrite.
An attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2018-9363)

Yves Younan discovered that the CIPSO labeling implementation in the Linux
kernel did not properly handle IP header options in some situations. A
remote attacker could use this to specially craft network traffic that
could cause a denial of service (infinite loop). (CVE-2018-10938)

Update instructions:

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

Ubuntu 16.04 LTS:
linux-image-4.4.0-1036-kvm 4.4.0-1036.42
linux-image-4.4.0-1070-aws 4.4.0-1070.80
linux-image-4.4.0-1099-raspi2 4.4.0-1099.107
linux-image-4.4.0-1103-snapdragon 4.4.0-1103.108
linux-image-4.4.0-138-generic 4.4.0-138.164
linux-image-4.4.0-138-generic-lpae 4.4.0-138.164
linux-image-4.4.0-138-lowlatency 4.4.0-138.164
linux-image-4.4.0-138-powerpc-e500mc 4.4.0-138.164
linux-image-4.4.0-138-powerpc-smp 4.4.0-138.164
linux-image-4.4.0-138-powerpc64-emb 4.4.0-138.164
linux-image-4.4.0-138-powerpc64-smp 4.4.0-138.164
linux-image-aws 4.4.0.1070.72
linux-image-generic 4.4.0.138.144
linux-image-generic-lpae 4.4.0.138.144
linux-image-kvm 4.4.0.1036.35
linux-image-lowlatency 4.4.0.138.144
linux-image-powerpc-e500mc 4.4.0.138.144
linux-image-powerpc-smp 4.4.0.138.144
linux-image-powerpc64-emb 4.4.0.138.144
linux-image-powerpc64-smp 4.4.0.138.144
linux-image-raspi2 4.4.0.1099.99
linux-image-snapdragon 4.4.0.1103.95

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-3797-1
CVE-2018-10938, CVE-2018-14734, CVE-2018-16658, CVE-2018-9363

Package Information:
https://launchpad.net/ubuntu/+source/linux/4.4.0-138.164
https://launchpad.net/ubuntu/+source/linux-aws/4.4.0-1070.80
https://launchpad.net/ubuntu/+source/linux-kvm/4.4.0-1036.42
https://launchpad.net/ubuntu/+source/linux-raspi2/4.4.0-1099.107
https://launchpad.net/ubuntu/+source/linux-snapdragon/4.4.0-1103.108


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