Send ubuntu-security-announce mailing list submissions to
ubuntu-security-announce@lists.ubuntu.com
To subscribe or unsubscribe via the World Wide Web, visit
https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce
or, via email, send a message with subject or body 'help' to
ubuntu-security-announce-request@lists.ubuntu.com
You can reach the person managing the list at
ubuntu-security-announce-owner@lists.ubuntu.com
When replying, please edit your Subject line so it is more specific
than "Re: Contents of ubuntu-security-announce digest..."
Today's Topics:
1. [USN-1452-1] Linux kernel vulnerabilities (John Johansen)
2. [USN-1453-1] Linux kernel (EC2) vulnerabilities (John Johansen)
3. [USN-1454-1] Linux kernel vulnerability (John Johansen)
----------------------------------------------------------------------
Message: 1
Date: Fri, 25 May 2012 12:19:00 -0700
From: John Johansen <john.johansen@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1452-1] Linux kernel vulnerabilities
Message-ID: <4FBFDB24.4030309@canonical.com>
Content-Type: text/plain; charset="iso-8859-1"
==========================================================================
Ubuntu Security Notice USN-1452-1
May 25, 2012
linux vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.10
Summary:
Several security issues were fixed in the kernel.
Software Description:
- linux: Linux kernel
Details:
A flaw was found in the Linux kernel's KVM (Kernel Virtual Machine) virtual
cpu setup. An unprivileged local user could exploit this flaw to crash the
system leading to a denial of service. (CVE-2012-1601)
Steve Grubb reported a flaw with Linux fscaps (file system base
capabilities) when used to increase the permissions of a process. For
application on which fscaps are in use a local attacker can disable address
space randomization to make attacking the process with raised privileges
easier. (CVE-2012-2123)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 11.10:
linux-image-3.0.0-20-generic 3.0.0-20.34
linux-image-3.0.0-20-generic-pae 3.0.0-20.34
linux-image-3.0.0-20-omap 3.0.0-20.34
linux-image-3.0.0-20-powerpc 3.0.0-20.34
linux-image-3.0.0-20-powerpc-smp 3.0.0-20.34
linux-image-3.0.0-20-powerpc64-smp 3.0.0-20.34
linux-image-3.0.0-20-server 3.0.0-20.34
linux-image-3.0.0-20-virtual 3.0.0-20.34
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-1452-1
CVE-2012-1601, CVE-2012-2123
Package Information:
https://launchpad.net/ubuntu/+source/linux/3.0.0-20.34
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 900 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20120525/6f288c33/attachment-0001.pgp>
------------------------------
Message: 2
Date: Fri, 25 May 2012 12:37:56 -0700
From: John Johansen <john.johansen@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1453-1] Linux kernel (EC2) vulnerabilities
Message-ID: <4FBFDF94.2050708@canonical.com>
Content-Type: text/plain; charset="iso-8859-1"
==========================================================================
Ubuntu Security Notice USN-1453-1
May 25, 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:
A flaw was found in the Linux's kernels ext4 file system when mounted with
a journal. A local, unprivileged user could exploit this flaw to cause a
denial of service. (CVE-2011-4086)
A flaw was found in the Linux kernel's KVM (Kernel Virtual Machine) virtual
cpu setup. An unprivileged local user could exploit this flaw to crash the
system leading to a denial of service. (CVE-2012-1601)
Steve Grubb reported a flaw with Linux fscaps (file system base
capabilities) when used to increase the permissions of a process. For
application on which fscaps are in use a local attacker can disable address
space randomization to make attacking the process with raised privileges
easier. (CVE-2012-2123)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 10.04 LTS:
linux-image-2.6.32-345-ec2 2.6.32-345.48
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1453-1
CVE-2011-4086, CVE-2012-1601, CVE-2012-2123
Package Information:
https://launchpad.net/ubuntu/+source/linux-ec2/2.6.32-345.48
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 900 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20120525/42deaeca/attachment-0001.pgp>
------------------------------
Message: 3
Date: Fri, 25 May 2012 12:53:07 -0700
From: John Johansen <john.johansen@canonical.com>
To: ubuntu-security-announce@lists.ubuntu.com
Subject: [USN-1454-1] Linux kernel vulnerability
Message-ID: <4FBFE323.3030802@canonical.com>
Content-Type: text/plain; charset="iso-8859-1"
==========================================================================
Ubuntu Security Notice USN-1454-1
May 25, 2012
linux vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 8.04 LTS
Summary:
The system could be made to crash or become unresponsive under certain
conditions.
Software Description:
- linux: Linux kernel
Details:
A flaw was found in the Linux's kernels ext4 file system when mounted with
a journal. A local, unprivileged user could exploit 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 8.04 LTS:
linux-image-2.6.24-31-386 2.6.24-31.101
linux-image-2.6.24-31-generic 2.6.24-31.101
linux-image-2.6.24-31-hppa32 2.6.24-31.101
linux-image-2.6.24-31-hppa64 2.6.24-31.101
linux-image-2.6.24-31-itanium 2.6.24-31.101
linux-image-2.6.24-31-lpia 2.6.24-31.101
linux-image-2.6.24-31-lpiacompat 2.6.24-31.101
linux-image-2.6.24-31-mckinley 2.6.24-31.101
linux-image-2.6.24-31-openvz 2.6.24-31.101
linux-image-2.6.24-31-powerpc 2.6.24-31.101
linux-image-2.6.24-31-powerpc-smp 2.6.24-31.101
linux-image-2.6.24-31-powerpc64-smp 2.6.24-31.101
linux-image-2.6.24-31-rt 2.6.24-31.101
linux-image-2.6.24-31-server 2.6.24-31.101
linux-image-2.6.24-31-sparc64 2.6.24-31.101
linux-image-2.6.24-31-sparc64-smp 2.6.24-31.101
linux-image-2.6.24-31-virtual 2.6.24-31.101
linux-image-2.6.24-31-xen 2.6.24-31.101
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1454-1
CVE-2011-4086
Package Information:
https://launchpad.net/ubuntu/+source/linux/2.6.24-31.101
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 900 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20120525/6316378a/attachment-0001.pgp>
------------------------------
--
ubuntu-security-announce mailing list
ubuntu-security-announce@lists.ubuntu.com
Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce
End of ubuntu-security-announce Digest, Vol 92, Issue 14
********************************************************
No comments:
Post a Comment