ubuntu-security-announce Digest, Vol 96, Issue 3

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Today's Topics:

1. [USN-1556-1] Linux kernel (EC2) vulnerabilities (John Johansen)
2. [USN-1557-1] Linux kernel vulnerability (John Johansen)
3. [USN-1558-1] Linux kernel (OMAP4) vulnerability (John Johansen)


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Message: 1
Date: Thu, 06 Sep 2012 16:49:08 -0700
From: John Johansen <john.johansen@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1556-1] Linux kernel (EC2) vulnerabilities
Message-ID: <50493674.5060903@canonical.com>
Content-Type: text/plain; charset="iso-8859-1"

==========================================================================
Ubuntu Security Notice USN-1556-1
September 06, 2012

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:

Chen Haogang discovered an integer overflow that could result in memory
corruption. A local unprivileged user could use this to crash the system.
(CVE-2012-0044)

A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS)
protocol implementation. A local, unprivileged user could use this flaw to
cause a denial of service. (CVE-2012-2372)

Some errors where discovered in the Linux kernel's UDF file system, which
is used to mount some CD-ROMs and DVDs. An unprivileged local user could
use these flaws to crash the system. (CVE-2012-3400)

Update instructions:

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

Ubuntu 10.04 LTS:
linux-image-2.6.32-347-ec2 2.6.32-347.53

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1556-1
CVE-2012-0044, CVE-2012-2372, CVE-2012-3400

Package Information:
https://launchpad.net/ubuntu/+source/linux-ec2/2.6.32-347.53

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Message: 2
Date: Thu, 06 Sep 2012 17:15:24 -0700
From: John Johansen <john.johansen@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1557-1] Linux kernel vulnerability
Message-ID: <50493C9C.7050202@canonical.com>
Content-Type: text/plain; charset="iso-8859-1"

==========================================================================
Ubuntu Security Notice USN-1557-1
September 07, 2012

linux vulnerability
==========================================================================

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

- Ubuntu 11.04

Summary:

The system could be made to crash under certain conditions.

Software Description:
- linux: Linux kernel

Details:

Some errors where discovered in the Linux kernel's UDF file system, which
is used to mount some CD-ROMs and DVDs. An unprivileged local user could
use these flaws to crash the system.

Update instructions:

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

Ubuntu 11.04:
linux-image-2.6.38-15-generic 2.6.38-15.66
linux-image-2.6.38-15-generic-pae 2.6.38-15.66
linux-image-2.6.38-15-omap 2.6.38-15.66
linux-image-2.6.38-15-powerpc 2.6.38-15.66
linux-image-2.6.38-15-powerpc-smp 2.6.38-15.66
linux-image-2.6.38-15-powerpc64-smp 2.6.38-15.66
linux-image-2.6.38-15-server 2.6.38-15.66
linux-image-2.6.38-15-versatile 2.6.38-15.66
linux-image-2.6.38-15-virtual 2.6.38-15.66

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1557-1
CVE-2012-3400

Package Information:
https://launchpad.net/ubuntu/+source/linux/2.6.38-15.66

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Message: 3
Date: Thu, 06 Sep 2012 17:24:30 -0700
From: John Johansen <john.johansen@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1558-1] Linux kernel (OMAP4) vulnerability
Message-ID: <50493EBE.7090609@canonical.com>
Content-Type: text/plain; charset="iso-8859-1"

==========================================================================
Ubuntu Security Notice USN-1558-1
September 07, 2012

linux-ti-omap4 vulnerability
==========================================================================

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

- Ubuntu 11.10

Summary:

The system could be made to crash under certain conditions.

Software Description:
- linux-ti-omap4: Linux kernel for OMAP4

Details:

A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS)
protocol implementation. A local, unprivileged user could use this flaw to
cause a denial of service.

Update instructions:

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

Ubuntu 11.10:
linux-image-3.0.0-1215-omap4 3.0.0-1215.27

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-1558-1
CVE-2012-2372

Package Information:
https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.0.0-1215.27

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