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

What IT skills are in demand?

IT security tops the list of skills that teams need most, and one out of five reported having difficulty finding skilled talent for cloud initiatives. Companies are also looking for pros who have skills in network engineering, systems engineering, IT architecture and network operations.


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, Apr 17th
    COPYRIGHT 1998-2015 BY HELP NET SECURITY.   // READ OUR PRIVACY POLICY // ABOUT US // ADVERTISE //