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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: USN-2226-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS
Datum: Di, 27. Mai 2014, 12:47
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0077
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-1737
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-1738
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-2851
Applikationen: Linux

Originalnachricht

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==========================================================================
Ubuntu Security Notice USN-2226-1
May 27, 2014

linux vulnerabilities
==========================================================================

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

- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux: Linux kernel

Details:

Matthew Daley reported an information leak in the floppy disk driver of the
Linux kernel. An unprivileged local user could exploit this flaw to obtain
potentially sensitive information from kernel memory. (CVE-2014-1738)

Matthew Daley reported a flaw in the handling of ioctl commands by the
floppy disk driver in the Linux kernel. An unprivileged local user could
exploit this flaw to gain administrative privileges if the floppy disk
module is loaded. (CVE-2014-1737)

A flaw was discovered in the handling of network packets when mergeable
buffers are disabled for virtual machines in the Linux kernel. Guest OS
users may exploit this flaw to cause a denial of service (host OS crash) or
possibly gain privilege on the host OS. (CVE-2014-0077)

A flaw was discovered in the Linux kernel's ping sockets. An unprivileged
local user could exploit this flaw to cause a denial of service (system
crash) or possibly gain privileges via a crafted application.
(CVE-2014-2851)

Update instructions:

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

Ubuntu 14.04 LTS:
linux-image-3.13.0-27-generic 3.13.0-27.50
linux-image-3.13.0-27-generic-lpae 3.13.0-27.50
linux-image-3.13.0-27-lowlatency 3.13.0-27.50
linux-image-3.13.0-27-powerpc-e500 3.13.0-27.50
linux-image-3.13.0-27-powerpc-e500mc 3.13.0-27.50
linux-image-3.13.0-27-powerpc-smp 3.13.0-27.50
linux-image-3.13.0-27-powerpc64-emb 3.13.0-27.50
linux-image-3.13.0-27-powerpc64-smp 3.13.0-27.50

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. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.

References:
http://www.ubuntu.com/usn/usn-2226-1
CVE-2014-0077, CVE-2014-1737, CVE-2014-1738, CVE-2014-2851

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.13.0-27.50



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