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Ubuntu 12.04 LTS USN-2612-1 Moderate: OMAP4 Kernel Security Issues

ubuntu
Calendar Grey May 20, 2015
Dist Ubuntu Esm H88
Ubuntu 12.04 LTS security concerns resolved in kernel update USN-2612-1 targeting critical flaws impacting OMAP4 architecture.
Several security issues were fixed in the kernel.

Summary

Several security issues were fixed in the kernel.

Software Description:

- linux-ti-omap4: Linux kernel for OMAP4

Details:

A race condition between chown() and execve() was discovered in the Linux

kernel. A local attacker could exploit this race by using chown on a

setuid-user-binary to gain administrative privileges. (CVE-2015-3339)

Vincent Tondellier discovered an integer overflow in the Linux kernel's

netfilter connection tracking accounting of loaded extensions. An attacker

on the local area network (LAN) could potential exploit this flaw to cause

a denial of service (system crash of targeted system). (CVE-2014-9715)

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu kernel Linux updates OMAP4 administrative privileges

Update Instructions

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

Ubuntu 12.04 LTS:
  linux-image-3.2.0-1464-omap4    3.2.0-1464.84

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

https://ubuntu.com/security/notices/USN-2612-1

CVE-2014-9715, CVE-2015-3339

May 20, 2015

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu kernel Linux updates OMAP4 administrative privileges

Package Information

https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.2.0-1464.84

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