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Ubuntu Security Notice USN-2108-1

Ubuntu Security Notice USN-2108-1
Posted Feb 19, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2108-1 - A flaw was discovered in the Linux kernel's compat ioctls for Adaptec AACRAID scsi raid devices. An unprivileged local user could send administrative commands to these devices potentially compromising the data stored on the device. mpd reported an information leak in the recvfrom, recvmmsg, and recvmsg system calls in the Linux kernel. An unprivileged local user could exploit this flaw to obtain sensitive information from kernel stack memory. Various other issues were also addressed.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2013-6383, CVE-2013-7263, CVE-2013-7264, CVE-2013-7265, CVE-2013-7281, CVE-2013-6383, CVE-2013-7263, CVE-2013-7264, CVE-2013-7265, CVE-2013-7281
SHA-256 | ea35c18efad3217e5061d4258858b153ff637c151e0ee61605f0d3641d24dc86

Ubuntu Security Notice USN-2108-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-2108-1
February 18, 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:

A flaw was discovered in the Linux kernel's compat ioctls for Adaptec
AACRAID scsi raid devices. An unprivileged local user could send
administrative commands to these devices potentially compromising the data
stored on the device. (CVE-2013-6383)

mpd reported an information leak in the recvfrom, recvmmsg, and recvmsg
system calls in the Linux kernel. An unprivileged local user could exploit
this flaw to obtain sensitive information from kernel stack memory.
(CVE-2013-7263)

mpb reported an information leak in the Layer Two Tunneling Protocol (l2tp)
of the Linux kernel. A local user could exploit this flaw to obtain
sensitive information from kernel stack memory. (CVE-2013-7264)

mpb reported an information leak in the Phone Network protocol (phonet) in
the Linux kernel. A local user could exploit this flaw to obtain sensitive
information from kernel stack memory. (CVE-2013-7265)

mpb reported an information leak in the Low-Rate Wireless Personal Area
Networks support (IEEE 802.15.4) in the Linux kernel. A local user could
exploit this flaw to obtain sensitive information from kernel stack memory.
(CVE-2013-7281)

Update instructions:

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

Ubuntu 10.04 LTS:
linux-image-2.6.32-361-ec2 2.6.32-361.74

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-2108-1
CVE-2013-6383, CVE-2013-7263, CVE-2013-7264, CVE-2013-7265,
CVE-2013-7281

Package Information:
https://launchpad.net/ubuntu/+source/linux-ec2/2.6.32-361.74
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