Risks
Advisories
Browse
or
or
Ubuntu Security Notice - linux vulnerabilities (USN-1787-1)
==========================================================================
Ubuntu Security Notice USN-1787-1
April 02, 2013

linux vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.10

Summary:

Several security issues were fixed in the kernel.

Software Description:
- linux: Linux kernel

Details:

Emese Revfy discovered that in the Linux kernel signal handlers could leak
address information across an exec, making it possible to bypass ASLR
(Address Space Layout Randomization). A local user could use this flaw to
by pass ASLR to reliably deliver an exploit payload that would otherwise be
stopped (by ASLR). (CVE-2013-0914)

A memoery use after free error was discover in the Linux kernel's tmpfs
filesystem. A local user could exploit this flaw to gain privileges or
cause a denial of service (system crash). (CVE-2013-1767)

Mateusz Guzik discovered a race in the Linux kernel's keyring. A local user
could exploit this flaw to cause a denial of service (system crash).
(CVE-2013-1792)

Update instructions:

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

Ubuntu 11.10:
  linux-image-3.0.0-32-generic    3.0.0-32.51
  linux-image-3.0.0-32-generic-pae  3.0.0-32.51
  linux-image-3.0.0-32-omap       3.0.0-32.51
  linux-image-3.0.0-32-powerpc    3.0.0-32.51
  linux-image-3.0.0-32-powerpc-smp  3.0.0-32.51
  linux-image-3.0.0-32-powerpc64-smp  3.0.0-32.51
  linux-image-3.0.0-32-server     3.0.0-32.51
  linux-image-3.0.0-32-virtual    3.0.0-32.51

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-1787-1
  CVE-2013-0914, CVE-2013-1767, CVE-2013-1792

Package Information:
  https://launchpad.net/ubuntu/+source/linux/3.0.0-32.51




Spotlight

How to talk infosec with kids

Posted on 17 September 2014.  |  It's never too early to talk infosec with kids: you simply need the right story. In fact, as cyber professionals itís our duty to teach ALL the kids in our life about technology. If we are to make an impact, we must remember that children needed to be taught about technology on their terms.


Weekly newsletter

Reading our newsletter every Monday will keep you up-to-date with security news.
  



Daily digest

Receive a daily digest of the latest security news.
  

DON'T
MISS

Fri, Sep 19th
    COPYRIGHT 1998-2014 BY HELP NET SECURITY.   // READ OUR PRIVACY POLICY // ABOUT US // ADVERTISE //