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Ubuntu Security Notice USN-2220-1

Ubuntu Security Notice USN-2220-1
Posted May 27, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2220-1 - 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. 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. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2013-7339, CVE-2014-1737, CVE-2014-1738, CVE-2014-2678
MD5 | 19dfd470581b98ee2da3ee4d49305692

Ubuntu Security Notice USN-2220-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-2220-1
May 26, 2014

linux-ec2 vulnerabilities
============================================================================

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

- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux-ec2: Linux kernel for EC2

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 Reliable Datagram Sockets (RDS) protocol
implementation in the Linux kernel for systems that lack RDS transports. An
unprivileged local user could exploit this flaw to cause a denial of
service (system crash). (CVE-2013-7339)

An error was discovered in the Reliable Datagram Sockets (RDS) protocol
stack in the Linux kernel. A local user could exploit this flaw to cause a
denial of service (system crash) or possibly have unspecified other impact.
(CVE-2014-2678)

Update instructions:

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

Ubuntu 10.04 LTS:
linux-image-2.6.32-364-ec2 2.6.32-364.77

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-2220-1
CVE-2013-7339, CVE-2014-1737, CVE-2014-1738, CVE-2014-2678

Package Information:
https://launchpad.net/ubuntu/+source/linux-ec2/2.6.32-364.77

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