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USN-2174-1: Linux kernel (EC2) vulnerabilities

26 April 2014

Several security issues were fixed in the kernel.




A flaw was discovered in the Linux kernel's handling of the SCTP handshake. A
remote attacker could exploit this flaw to cause a denial of service
(system crash). (CVE-2014-0101)

An error was discovered in the Linux kernel's DCCP protocol support. A
remote attacked could exploit this flaw to cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2014-2523)

Update instructions

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

Ubuntu 10.04

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.

Related notices

  • USN-2223-1: linux-lts-quantal, linux-image-3.5.0-51-generic
  • USN-2224-1: linux-image-3.8.0-41-generic, linux-lts-raring
  • USN-2225-1: linux-image-3.11.0-22-generic-lpae, linux-lts-saucy, linux-image-3.11.0-22-generic
  • USN-2221-1: linux-image-3.2.0-63-generic-pae, linux-image-3.2.0-63-powerpc-smp, linux-image-3.2.0-63-generic, linux, linux-image-3.2.0-63-highbank, linux-image-3.2.0-63-powerpc64-smp, linux-image-3.2.0-63-omap, linux-image-3.2.0-63-virtual
  • USN-2228-1: linux-image-3.11.0-22-generic-lpae, linux, linux-image-3.11.0-22-generic
  • USN-2173-1: linux-image-2.6.32-58-powerpc64-smp, linux-image-2.6.32-58-powerpc-smp, linux-image-2.6.32-58-versatile, linux, linux-image-2.6.32-58-386, linux-image-2.6.32-58-powerpc, linux-image-2.6.32-58-server, linux-image-2.6.32-58-sparc64, linux-image-2.6.32-58-sparc64-smp, linux-image-2.6.32-58-generic-pae, linux-image-2.6.32-58-virtual, linux-image-2.6.32-58-preempt, linux-image-2.6.32-58-generic, linux-image-2.6.32-58-lpia, linux-image-2.6.32-58-ia64
  • USN-2227-1: linux-image-3.2.0-1446-omap4, linux-ti-omap4