ubuntu-security-announce Digest, Vol 96, Issue 2

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Today's Topics:

1. [USN-1554-1] Linux kernel vulnerability (John Johansen)
2. [USN-1555-1] Linux kernel vulnerabilities (John Johansen)


----------------------------------------------------------------------

Message: 1
Date: Wed, 05 Sep 2012 05:16:17 -0700
From: John Johansen <john.johansen@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1554-1] Linux kernel vulnerability
Message-ID: <50474291.4050409@canonical.com>
Content-Type: text/plain; charset="iso-8859-1"

==========================================================================
Ubuntu Security Notice USN-1554-1
September 05, 2012

linux 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: Linux kernel

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-3.0.0-25-generic 3.0.0-25.41
linux-image-3.0.0-25-generic-pae 3.0.0-25.41
linux-image-3.0.0-25-omap 3.0.0-25.41
linux-image-3.0.0-25-powerpc 3.0.0-25.41
linux-image-3.0.0-25-powerpc-smp 3.0.0-25.41
linux-image-3.0.0-25-powerpc64-smp 3.0.0-25.41
linux-image-3.0.0-25-server 3.0.0-25.41
linux-image-3.0.0-25-virtual 3.0.0-25.41

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-1554-1
CVE-2012-2372

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.0.0-25.41

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------------------------------

Message: 2
Date: Wed, 05 Sep 2012 05:39:25 -0700
From: John Johansen <john.johansen@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1555-1] Linux kernel vulnerabilities
Message-ID: <504747FD.3000203@canonical.com>
Content-Type: text/plain; charset="iso-8859-1"

==========================================================================
Ubuntu Security Notice USN-1555-1
September 05, 2012

linux 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: Linux kernel

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)

Update instructions:

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

Ubuntu 10.04 LTS:
linux-image-2.6.32-42-386 2.6.32-42.96
linux-image-2.6.32-42-generic 2.6.32-42.96
linux-image-2.6.32-42-generic-pae 2.6.32-42.96
linux-image-2.6.32-42-ia64 2.6.32-42.96
linux-image-2.6.32-42-lpia 2.6.32-42.96
linux-image-2.6.32-42-powerpc 2.6.32-42.96
linux-image-2.6.32-42-powerpc-smp 2.6.32-42.96
linux-image-2.6.32-42-powerpc64-smp 2.6.32-42.96
linux-image-2.6.32-42-preempt 2.6.32-42.96
linux-image-2.6.32-42-server 2.6.32-42.96
linux-image-2.6.32-42-sparc64 2.6.32-42.96
linux-image-2.6.32-42-sparc64-smp 2.6.32-42.96
linux-image-2.6.32-42-versatile 2.6.32-42.96
linux-image-2.6.32-42-virtual 2.6.32-42.96

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

References:
http://www.ubuntu.com/usn/usn-1555-1
CVE-2012-0044, CVE-2012-2372

Package Information:
https://launchpad.net/ubuntu/+source/linux/2.6.32-42.96

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