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Sicherheit: Mehrere Probleme in Linux (Aktualisierung)
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux (Aktualisierung)
ID: USN-3342-2
Distribution: Ubuntu
Plattformen: Ubuntu 16.04 LTS
Datum: Fr, 30. Juni 2017, 00:51
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7294
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5577
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9075
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8890
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7374
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9077
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9076
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9074
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000363
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9242
Update von: Mehrere Probleme in Linux

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==========================================================================
Ubuntu Security Notice USN-3342-2
June 29, 2017

linux-hwe 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-hwe: Linux hardware enablement (HWE) kernel

Details:

USN-3342-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.10.
This update provides the corresponding updates for the Linux Hardware
Enablement (HWE) kernel from Ubuntu 16.10 for Ubuntu 16.04 LTS.

USN-3333-1 fixed a vulnerability in the Linux kernel. However, that
fix introduced regressions for some Java applications. This update
addresses the issue. We apologize for the inconvenience.

It was discovered that a use-after-free flaw existed in the filesystem
encryption subsystem in the Linux kernel. A local attacker could use this
to cause a denial of service (system crash). (CVE-2017-7374)

Roee Hay discovered that the parallel port printer driver in the Linux
kernel did not properly bounds check passed arguments. A local attacker
with write access to the kernel command line arguments could use this to
execute arbitrary code. (CVE-2017-1000363)

Ingo Molnar discovered that the VideoCore DRM driver in the Linux kernel
did not return an error after detecting certain overflows. A local attacker
could exploit this issue to cause a denial of service (OOPS).
(CVE-2017-5577)

Li Qiang discovered that an integer overflow vulnerability existed in the
Direct Rendering Manager (DRM) driver for VMWare devices in the Linux
kernel. A local attacker could use this to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2017-7294)

It was discovered that a double-free vulnerability existed in the IPv4
stack of the Linux kernel. An attacker could use this to cause a denial of
service (system crash). (CVE-2017-8890)

Andrey Konovalov discovered an IPv6 out-of-bounds read error in the Linux
kernel's IPv6 stack. A local attacker could cause a denial of service or
potentially other unspecified problems. (CVE-2017-9074)

Andrey Konovalov discovered a flaw in the handling of inheritance in the
Linux kernel's IPv6 stack. A local user could exploit this issue to cause a
denial of service or possibly other unspecified problems. (CVE-2017-9075)

It was discovered that dccp v6 in the Linux kernel mishandled inheritance.
A local attacker could exploit this issue to cause a denial of service or
potentially other unspecified problems. (CVE-2017-9076)

It was discovered that the transmission control protocol (tcp) v6 in the
Linux kernel mishandled inheritance. A local attacker could exploit this
issue to cause a denial of service or potentially other unspecified
problems. (CVE-2017-9077)

It was discovered that the IPv6 stack in the Linux kernel was performing
its over write consistency check after the data was actually overwritten. A
local attacker could exploit this flaw to cause a denial of service (system
crash). (CVE-2017-9242)

Update instructions:

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

Ubuntu 16.04 LTS:
linux-image-4.8.0-58-generic 4.8.0-58.63~16.04.1
linux-image-4.8.0-58-generic-lpae 4.8.0-58.63~16.04.1
linux-image-4.8.0-58-lowlatency 4.8.0-58.63~16.04.1
linux-image-generic-hwe-16.04 4.8.0.58.29
linux-image-generic-lpae-hwe-16.04 4.8.0.58.29
linux-image-lowlatency-hwe-16.04 4.8.0.58.29

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://www.ubuntu.com/usn/usn-3342-2
https://www.ubuntu.com/usn/usn-3342-1
https://www.ubuntu.com/usn/usn-3333-1
https://launchpad.net/bugs/1699772
CVE-2017-1000363, CVE-2017-5577, CVE-2017-7294, CVE-2017-7374,
CVE-2017-8890, CVE-2017-9074, CVE-2017-9075, CVE-2017-9076,
CVE-2017-9077, CVE-2017-9242

Package Information:
https://launchpad.net/ubuntu/+source/linux-hwe/4.8.0-58.63~16.04.1


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