[Ksplice][Ubuntu-12.04-Updates] New updates available via Ksplice (USN-2713-1)

[Oracle Ksplice]

Synopsis: USN-2713-1 can now be patched using Ksplice
CVEs: CVE-2015-3212 CVE-2015-5364 CVE-2015-5366

Systems running Ubuntu 12.04 Precise can now use Ksplice to patch
against the latest Ubuntu Security Notice, USN-2713-1.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack on Ubuntu 12.04 Precise
install these updates.

On systems that have "autoinstall = yes" in /etc/uptrack/uptrack.conf,
these updates will be installed automatically and you do not need to
take any action.

Alternatively, you can install these updates by running:

# /usr/sbin/uptrack-upgrade -y


DESCRIPTION

* CVE-2015-5364, CVE-2015-5366: Kernel hang on UDP flood with wrong checksums.

A flaw in the UDP handling of wrong checksums could lead to a kernel hang
under a UDP flood attack.  A remote attacker could use this flaw to cause a
denial-of-service.


* CVE-2015-3212: Denial-of-service when processing SCTP ASCONF packets.

Incorrect locking in the SCTP subsystem can trigger memory corruption
and a kernel panic when processing ASCONF packets.

SUPPORT

Ksplice support is available at ksplice-support_ww at oracle.com.