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Sigurnosni nedostaci programskih paketa linux, linux-aws, linux-kvm, linux-raspi2 i linux-snapdragon

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==========================================================================
Ubuntu Security Notice USN-3507-1
December 07, 2017

linux, linux-raspi2 vulnerabilities
==========================================================================

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

– Ubuntu 17.10

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
– linux: Linux kernel
– linux-raspi2: Linux kernel for Raspberry Pi 2

Details:

Mohamed Ghannam discovered that a use-after-free vulnerability existed in
the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could
use this to cause a denial of service (system crash) or possibly execute
arbitrary code. (CVE-2017-16939)

It was discovered that the Linux kernel did not properly handle copy-on-
write of transparent huge pages. A local attacker could use this to cause a
denial of service (application crashes) or possibly gain administrative
privileges. (CVE-2017-1000405)

Fan Wu, Haoran Qiu, and Shixiong Zhao discovered that the associative array
implementation in the Linux kernel sometimes did not properly handle adding
a new entry. A local attacker could use this to cause a denial of service
(system crash). (CVE-2017-12193)

Eric Biggers discovered that the key management subsystem in the Linux
kernel did not properly restrict adding a key that already exists but is
uninstantiated. A local attacker could use this to cause a denial of
service (system crash) or possibly execute arbitrary code. (CVE-2017-15299)

It was discovered that a null pointer dereference error existed in the
PowerPC KVM implementation in the Linux kernel. A local attacker could use
this to cause a denial of service (system crash). (CVE-2017-15306)

Eric Biggers discovered a race condition in the key management subsystem of
the Linux kernel around keys in a negative state. A local attacker could
use this to cause a denial of service (system crash) or possibly execute
arbitrary code. (CVE-2017-15951)

Andrey Konovalov discovered that the USB subsystem in the Linux kernel did
not properly validate USB BOS metadata. A physically proximate attacker
could use this to cause a denial of service (system crash).
(CVE-2017-16535)

Andrey Konovalov discovered an out-of-bounds read in the GTCO digitizer USB
driver for the Linux kernel. A physically proximate attacker could use this
to cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2017-16643)

Update instructions:

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

Ubuntu 17.10:
linux-image-4.13.0-1008-raspi2 4.13.0-1008.8
linux-image-4.13.0-19-generic 4.13.0-19.22
linux-image-4.13.0-19-generic-lpae 4.13.0-19.22
linux-image-4.13.0-19-lowlatency 4.13.0-19.22
linux-image-generic 4.13.0.19.20
linux-image-generic-lpae 4.13.0.19.20
linux-image-lowlatency 4.13.0.19.20
linux-image-raspi2 4.13.0.1008.6

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.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References:
https://www.ubuntu.com/usn/usn-3507-1
CVE-2017-1000405, CVE-2017-12193, CVE-2017-15299, CVE-2017-15306,
CVE-2017-15951, CVE-2017-16535, CVE-2017-16643, CVE-2017-16939

Package Information:
https://launchpad.net/ubuntu/+source/linux/4.13.0-19.22
https://launchpad.net/ubuntu/+source/linux-raspi2/4.13.0-1008.8

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==========================================================================
Ubuntu Security Notice USN-3508-1
December 07, 2017

linux, linux-raspi2 vulnerabilities
==========================================================================

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

– Ubuntu 17.04

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
– linux: Linux kernel
– linux-raspi2: Linux kernel for Raspberry Pi 2

Details:

Mohamed Ghannam discovered that a use-after-free vulnerability existed in
the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could
use this to cause a denial of service (system crash) or possibly execute
arbitrary code. (CVE-2017-16939)

It was discovered that the Linux kernel did not properly handle copy-on-
write of transparent huge pages. A local attacker could use this to cause a
denial of service (application crashes) or possibly gain administrative
privileges. (CVE-2017-1000405)

Yonggang Guo discovered that a race condition existed in the driver
subsystem in the Linux kernel. A local attacker could use this to possibly
gain administrative privileges. (CVE-2017-12146)

Update instructions:

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

Ubuntu 17.04:
linux-image-4.10.0-1023-raspi2 4.10.0-1023.26
linux-image-4.10.0-42-generic 4.10.0-42.46
linux-image-4.10.0-42-generic-lpae 4.10.0-42.46
linux-image-4.10.0-42-lowlatency 4.10.0-42.46
linux-image-generic 4.10.0.42.42
linux-image-generic-lpae 4.10.0.42.42
linux-image-lowlatency 4.10.0.42.42
linux-image-raspi2 4.10.0.1023.24

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.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References:
https://www.ubuntu.com/usn/usn-3508-1
CVE-2017-1000405, CVE-2017-12146, CVE-2017-16939

Package Information:
https://launchpad.net/ubuntu/+source/linux/4.10.0-42.46
https://launchpad.net/ubuntu/+source/linux-raspi2/4.10.0-1023.26

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==========================================================================
Ubuntu Security Notice USN-3509-1
December 07, 2017

linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities
==========================================================================

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

– Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
– linux: Linux kernel
– linux-aws: Linux kernel for Amazon Web Services (AWS) systems
– linux-kvm: Linux kernel for cloud environments
– linux-raspi2: Linux kernel for Raspberry Pi 2
– linux-snapdragon: Linux kernel for Snapdragon processors

Details:

Mohamed Ghannam discovered that a use-after-free vulnerability existed in
the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could
use this to cause a denial of service (system crash) or possibly execute
arbitrary code. (CVE-2017-16939)

It was discovered that the Linux kernel did not properly handle copy-on-
write of transparent huge pages. A local attacker could use this to cause a
denial of service (application crashes) or possibly gain administrative
privileges. (CVE-2017-1000405)

Fan Wu, Haoran Qiu, and Shixiong Zhao discovered that the associative array
implementation in the Linux kernel sometimes did not properly handle adding
a new entry. A local attacker could use this to cause a denial of service
(system crash). (CVE-2017-12193)

Andrey Konovalov discovered an out-of-bounds read in the GTCO digitizer USB
driver for the Linux kernel. A physically proximate attacker could use this
to cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2017-16643)

Update instructions:

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

Ubuntu 16.04 LTS:
linux-image-4.4.0-1012-kvm 4.4.0-1012.17
linux-image-4.4.0-103-generic 4.4.0-103.126
linux-image-4.4.0-103-generic-lpae 4.4.0-103.126
linux-image-4.4.0-103-lowlatency 4.4.0-103.126
linux-image-4.4.0-103-powerpc-e500mc 4.4.0-103.126
linux-image-4.4.0-103-powerpc-smp 4.4.0-103.126
linux-image-4.4.0-103-powerpc64-emb 4.4.0-103.126
linux-image-4.4.0-103-powerpc64-smp 4.4.0-103.126
linux-image-4.4.0-1043-aws 4.4.0-1043.52
linux-image-4.4.0-1079-raspi2 4.4.0-1079.87
linux-image-4.4.0-1081-snapdragon 4.4.0-1081.86
linux-image-aws 4.4.0.1043.45
linux-image-generic 4.4.0.103.108
linux-image-generic-lpae 4.4.0.103.108
linux-image-kvm 4.4.0.1012.12
linux-image-lowlatency 4.4.0.103.108
linux-image-powerpc-e500mc 4.4.0.103.108
linux-image-powerpc-smp 4.4.0.103.108
linux-image-powerpc64-emb 4.4.0.103.108
linux-image-powerpc64-smp 4.4.0.103.108
linux-image-raspi2 4.4.0.1079.79
linux-image-snapdragon 4.4.0.1081.73

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.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References:
https://www.ubuntu.com/usn/usn-3509-1
CVE-2017-1000405, CVE-2017-12193, CVE-2017-16643, CVE-2017-16939

Package Information:
https://launchpad.net/ubuntu/+source/linux/4.4.0-103.126
https://launchpad.net/ubuntu/+source/linux-aws/4.4.0-1043.52
https://launchpad.net/ubuntu/+source/linux-kvm/4.4.0-1012.17
https://launchpad.net/ubuntu/+source/linux-raspi2/4.4.0-1079.87
https://launchpad.net/ubuntu/+source/linux-snapdragon/4.4.0-1081.86

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==========================================================================
Ubuntu Security Notice USN-3510-1
December 08, 2017

linux vulnerabilities
==========================================================================

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

– Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
– linux: Linux kernel

Details:

Mohamed Ghannam discovered that a use-after-free vulnerability existed in
the Netlink subsystem (XFRM) in the Linux kernel. A local attacker could
use this to cause a denial of service (system crash) or possibly execute
arbitrary code. (CVE-2017-16939)

It was discovered that the Linux kernel did not properly handle copy-on-
write of transparent huge pages. A local attacker could use this to cause a
denial of service (application crashes) or possibly gain administrative
privileges. (CVE-2017-1000405)

Update instructions:

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

Ubuntu 14.04 LTS:
linux-image-3.13.0-137-generic 3.13.0-137.186
linux-image-3.13.0-137-generic-lpae 3.13.0-137.186
linux-image-3.13.0-137-lowlatency 3.13.0-137.186
linux-image-3.13.0-137-powerpc-e500 3.13.0-137.186
linux-image-3.13.0-137-powerpc-e500mc 3.13.0-137.186
linux-image-3.13.0-137-powerpc-smp 3.13.0-137.186
linux-image-3.13.0-137-powerpc64-emb 3.13.0-137.186
linux-image-3.13.0-137-powerpc64-smp 3.13.0-137.186
linux-image-generic 3.13.0.137.146
linux-image-generic-lpae 3.13.0.137.146
linux-image-lowlatency 3.13.0.137.146
linux-image-powerpc-e500 3.13.0.137.146
linux-image-powerpc-e500mc 3.13.0.137.146
linux-image-powerpc-smp 3.13.0.137.146
linux-image-powerpc64-emb 3.13.0.137.146
linux-image-powerpc64-smp 3.13.0.137.146

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.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References:
https://www.ubuntu.com/usn/usn-3510-1
CVE-2017-1000405, CVE-2017-16939

Package Information:
https://launchpad.net/ubuntu/+source/linux/3.13.0-137.186

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