==========================================================================
Ubuntu Security Notice USN-2597-1
May 05, 2015

linux-lts-trusty vulnerability
==========================================================================

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

– Ubuntu 12.04 LTS

Summary:

The system could be made to run programs as an administrator.

Software Description:
– linux-lts-trusty: Linux hardware enablement kernel from Trusty

Details:

A race condition between chown() and execve() was discovered in the Linux
kernel. A local attacker could exploit this race by using chown on a
setuid-user-binary to gain administrative privileges.

Update instructions:

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

Ubuntu 12.04 LTS:
linux-image-3.13.0-52-generic 3.13.0-52.85~precise1
linux-image-3.13.0-52-generic-lpae 3.13.0-52.85~precise1

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-2597-1
CVE-2015-3339

Package Information:
https://launchpad.net/ubuntu/+source/linux-lts-trusty/3.13.0-52.85~precise1

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==========================================================================
Ubuntu Security Notice USN-2601-1
May 05, 2015

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

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

– Ubuntu 15.04

Summary:

The system could be made to run programs as an administrator.

Software Description:
– linux: Linux kernel

Details:

A race condition between chown() and execve() was discovered in the Linux
kernel. A local attacker could exploit this race by using chown on a
setuid-user-binary to gain administrative privileges.

Update instructions:

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

Ubuntu 15.04:
linux-image-3.19.0-16-generic 3.19.0-16.16
linux-image-3.19.0-16-generic-lpae 3.19.0-16.16
linux-image-3.19.0-16-lowlatency 3.19.0-16.16
linux-image-3.19.0-16-powerpc-e500mc 3.19.0-16.16
linux-image-3.19.0-16-powerpc-smp 3.19.0-16.16
linux-image-3.19.0-16-powerpc64-emb 3.19.0-16.16
linux-image-3.19.0-16-powerpc64-smp 3.19.0-16.16

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-2601-1
CVE-2015-3339

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.19.0-16.16

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==========================================================================
Ubuntu Security Notice USN-2600-1
May 05, 2015

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

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

– Ubuntu 14.10

Summary:

The system could be made to run programs as an administrator.

Software Description:
– linux: Linux kernel

Details:

A race condition between chown() and execve() was discovered in the Linux
kernel. A local attacker could exploit this race by using chown on a
setuid-user-binary to gain administrative privileges.

Update instructions:

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

Ubuntu 14.10:
linux-image-3.16.0-37-generic 3.16.0-37.49
linux-image-3.16.0-37-generic-lpae 3.16.0-37.49
linux-image-3.16.0-37-lowlatency 3.16.0-37.49
linux-image-3.16.0-37-powerpc-e500mc 3.16.0-37.49
linux-image-3.16.0-37-powerpc-smp 3.16.0-37.49
linux-image-3.16.0-37-powerpc64-emb 3.16.0-37.49
linux-image-3.16.0-37-powerpc64-smp 3.16.0-37.49

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-2600-1
CVE-2015-3339

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.16.0-37.49

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==========================================================================
Ubuntu Security Notice USN-2599-1
May 05, 2015

linux-lts-utopic vulnerability
==========================================================================

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

– Ubuntu 14.04 LTS

Summary:

The system could be made to run programs as an administrator.

Software Description:
– linux-lts-utopic: Linux hardware enablement kernel from Utopic

Details:

A race condition between chown() and execve() was discovered in the Linux
kernel. A local attacker could exploit this race by using chown on a
setuid-user-binary to gain administrative privileges.

Update instructions:

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

Ubuntu 14.04 LTS:
linux-image-3.16.0-37-generic 3.16.0-37.49~14.04.1
linux-image-3.16.0-37-generic-lpae 3.16.0-37.49~14.04.1
linux-image-3.16.0-37-lowlatency 3.16.0-37.49~14.04.1
linux-image-3.16.0-37-powerpc-e500mc 3.16.0-37.49~14.04.1
linux-image-3.16.0-37-powerpc-smp 3.16.0-37.49~14.04.1
linux-image-3.16.0-37-powerpc64-emb 3.16.0-37.49~14.04.1
linux-image-3.16.0-37-powerpc64-smp 3.16.0-37.49~14.04.1

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-2599-1
CVE-2015-3339

Package Information:
https://launchpad.net/ubuntu/+source/linux-lts-utopic/3.16.0-37.49~14.04.1

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==========================================================================
Ubuntu Security Notice USN-2596-1
May 05, 2015

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

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

– Ubuntu 12.04 LTS

Summary:

The system could be made to run programs as an administrator.

Software Description:
– linux: Linux kernel

Details:

A race condition between chown() and execve() was discovered in the Linux
kernel. A local attacker could exploit this race by using chown on a
setuid-user-binary to gain administrative privileges.

Update instructions:

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

Ubuntu 12.04 LTS:
linux-image-3.2.0-83-generic 3.2.0-83.120
linux-image-3.2.0-83-generic-pae 3.2.0-83.120
linux-image-3.2.0-83-highbank 3.2.0-83.120
linux-image-3.2.0-83-omap 3.2.0-83.120
linux-image-3.2.0-83-powerpc-smp 3.2.0-83.120
linux-image-3.2.0-83-powerpc64-smp 3.2.0-83.120
linux-image-3.2.0-83-virtual 3.2.0-83.120

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-2596-1
CVE-2015-3339

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.2.0-83.120

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==========================================================================
Ubuntu Security Notice USN-2598-1
May 05, 2015

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

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

– Ubuntu 14.04 LTS

Summary:

The system could be made to run programs as an administrator.

Software Description:
– linux: Linux kernel

Details:

A race condition between chown() and execve() was discovered in the Linux
kernel. A local attacker could exploit this race by using chown on a
setuid-user-binary to gain administrative privileges.

Update instructions:

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

Ubuntu 14.04 LTS:
linux-image-3.13.0-52-generic 3.13.0-52.85
linux-image-3.13.0-52-generic-lpae 3.13.0-52.85
linux-image-3.13.0-52-lowlatency 3.13.0-52.85
linux-image-3.13.0-52-powerpc-e500 3.13.0-52.85
linux-image-3.13.0-52-powerpc-e500mc 3.13.0-52.85
linux-image-3.13.0-52-powerpc-smp 3.13.0-52.85
linux-image-3.13.0-52-powerpc64-emb 3.13.0-52.85
linux-image-3.13.0-52-powerpc64-smp 3.13.0-52.85

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-2598-1
CVE-2015-3339

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.13.0-52.85

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7e