==========================================================================
Ubuntu Security Notice USN-2358-1
September 23, 2014
linux-lts-trusty vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 12.04 LTS
Summary:
Several security issues were fixed in the kernel.
Software Description:
– linux-lts-trusty: Linux hardware enablement kernel from Trusty
Details:
Jack Morgenstein reported a flaw in the page handling of the KVM (Kerenl
Virtual Machine) subsystem in the Linux kernel. A guest OS user could
exploit this flaw to cause a denial of service (host OS memory corruption)
or possibly have other unspecified impact on the host OS. (CVE-2014-3601)
Jason Gunthorpe reported a flaw with SCTP authentication in the Linux
kernel. A remote attacker could exploit this flaw to cause a denial of
service (NULL pointer dereference and OOPS). (CVE-2014-5077)
Chris Evans reported an flaw in the Linux kernel’s handling of iso9660
(compact disk filesystem) images. An attacker who can mount a custom
iso9660 image either via a CD/DVD drive or a loopback mount could cause a
denial of service (system crash or reboot). (CVE-2014-5471)
Chris Evans reported an flaw in the Linux kernel’s handling of iso9660
(compact disk filesystem) images. An attacker who can mount a custom
iso9660 image, with a self-referential CL entry, either via a CD/DVD drive
or a loopback mount could cause a denial of service (unkillable mount
process). (CVE-2014-5472)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 LTS:
linux-image-3.13.0-36-generic 3.13.0-36.63~precise1
linux-image-3.13.0-36-generic-lpae 3.13.0-36.63~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-2358-1
CVE-2014-3601, CVE-2014-5077, CVE-2014-5471, CVE-2014-5472
Package Information:
https://launchpad.net/ubuntu/+source/linux-lts-trusty/3.13.0-36.63~precise1
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==========================================================================
Ubuntu Security Notice USN-2359-1
September 23, 2014
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 kernel.
Software Description:
– linux: Linux kernel
Details:
Jack Morgenstein reported a flaw in the page handling of the KVM (Kerenl
Virtual Machine) subsystem in the Linux kernel. A guest OS user could
exploit this flaw to cause a denial of service (host OS memory corruption)
or possibly have other unspecified impact on the host OS. (CVE-2014-3601)
Jason Gunthorpe reported a flaw with SCTP authentication in the Linux
kernel. A remote attacker could exploit this flaw to cause a denial of
service (NULL pointer dereference and OOPS). (CVE-2014-5077)
Chris Evans reported an flaw in the Linux kernel’s handling of iso9660
(compact disk filesystem) images. An attacker who can mount a custom
iso9660 image either via a CD/DVD drive or a loopback mount could cause a
denial of service (system crash or reboot). (CVE-2014-5471)
Chris Evans reported an flaw in the Linux kernel’s handling of iso9660
(compact disk filesystem) images. An attacker who can mount a custom
iso9660 image, with a self-referential CL entry, either via a CD/DVD drive
or a loopback mount could cause a denial of service (unkillable mount
process). (CVE-2014-5472)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 LTS:
linux-image-3.13.0-36-generic 3.13.0-36.63
linux-image-3.13.0-36-generic-lpae 3.13.0-36.63
linux-image-3.13.0-36-lowlatency 3.13.0-36.63
linux-image-3.13.0-36-powerpc-e500 3.13.0-36.63
linux-image-3.13.0-36-powerpc-e500mc 3.13.0-36.63
linux-image-3.13.0-36-powerpc-smp 3.13.0-36.63
linux-image-3.13.0-36-powerpc64-emb 3.13.0-36.63
linux-image-3.13.0-36-powerpc64-smp 3.13.0-36.63
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-2359-1
CVE-2014-3601, CVE-2014-5077, CVE-2014-5471, CVE-2014-5472
Package Information:
https://launchpad.net/ubuntu/+source/linux/3.13.0-36.63
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7e
