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USN-2065-1: Linux kernel (EC2) vulnerabilities

03 January 2014

Several security issues were fixed in the kernel.




Stephan Mueller reported an error in the Linux kernel's ansi cprng random
number generator. This flaw makes it easier for a local attacker to break
cryptographic protections. (CVE-2013-4345)

A flaw was discovered in the Linux kernel's IP Virtual Server (IP_VS)
support. A local user with the CAP_NET_ADMIN capability could exploit this
flaw to gain additional administrative privileges. (CVE-2013-4588)

Nico Golde and Fabian Yamaguchi reported a flaw in the Linux kernel's
debugfs filesystem. An administrative local user could exploit this flaw to
cause a denial of service (OOPS). (CVE-2013-6378)

Nico Golde reported a flaw in the Linux kernel's userspace IO (uio) driver.
A local user could exploit this flaw to cause a denial of service (memory
corruption) or possibly gain privileges. (CVE-2013-6763)

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

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  • USN-2064-1: linux-image-2.6.32-55-powerpc, linux-image-2.6.32-55-generic-pae, linux-image-2.6.32-55-powerpc64-smp, linux-image-2.6.32-55-virtual, linux-image-2.6.32-55-sparc64, linux-image-2.6.32-55-lpia, linux-image-2.6.32-55-ia64, linux-image-2.6.32-55-generic, linux-image-2.6.32-55-server, linux, linux-image-2.6.32-55-versatile, linux-image-2.6.32-55-386, linux-image-2.6.32-55-powerpc-smp, linux-image-2.6.32-55-preempt, linux-image-2.6.32-55-sparc64-smp
  • USN-2066-1: linux-image-3.2.0-58-generic-pae, linux-image-3.2.0-58-highbank, linux-image-3.2.0-58-virtual, linux-image-3.2.0-58-omap, linux-image-3.2.0-58-generic, linux-image-3.2.0-58-powerpc64-smp, linux, linux-image-3.2.0-58-powerpc-smp
  • USN-2070-1: linux-image-3.11.0-15-generic-lpae, linux-image-3.11.0-15-generic, linux-lts-saucy
  • USN-2110-1: linux-image-3.2.0-1443-omap4, linux-ti-omap4
  • USN-2067-1: linux-image-3.2.0-1442-omap4, linux-ti-omap4
  • USN-2071-1: linux-image-3.5.0-45-omap, linux-image-3.5.0-45-highbank, linux-image-3.5.0-45-generic, linux-image-3.5.0-45-powerpc-smp, linux, linux-image-3.5.0-45-powerpc64-smp
  • USN-2068-1: linux-lts-quantal, linux-image-3.5.0-45-generic
  • USN-2158-1: linux-image-3.8.0-38-generic, linux-lts-raring
  • USN-2115-1: linux-image-3.5.0-238-omap4, linux-ti-omap4
  • USN-2076-1: linux-ti-omap4, linux-image-3.5.0-237-omap4
  • USN-2069-1: linux-lts-raring, linux-image-3.8.0-35-generic
  • USN-2075-1: linux-image-3.11.0-15-generic-lpae, linux-image-3.11.0-15-generic, linux
  • USN-2114-1: linux-image-3.5.0-46-powerpc-smp, linux-image-3.5.0-46-generic, linux-image-3.5.0-46-highbank, linux, linux-image-3.5.0-46-powerpc64-smp, linux-image-3.5.0-46-omap
  • USN-2109-1: linux-image-3.2.0-59-highbank, linux-image-3.2.0-59-powerpc64-smp, linux-image-3.2.0-59-omap, linux-image-3.2.0-59-generic-pae, linux-image-3.2.0-59-virtual, linux, linux-image-3.2.0-59-generic, linux-image-3.2.0-59-powerpc-smp
  • USN-2073-1: linux, linux-image-3.8.0-35-generic
  • USN-2072-1: linux-ti-omap4, linux-image-3.5.0-237-omap4
  • USN-2116-1: linux-image-3.5.0-238-omap4, linux-ti-omap4
  • USN-2111-1: linux-lts-quantal, linux-image-3.5.0-46-generic
  • USN-2112-1: linux-image-3.8.0-36-generic, linux-lts-raring