Rapid7 Vulnerability & Exploit Database

USN-1720-1: Linux kernel vulnerabilities

Free InsightVM Trial No credit card necessary
Watch Demo See how it all works
Back to Search

USN-1720-1: Linux kernel vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
02/12/2013
Created
07/25/2018
Added
05/06/2013
Modified
07/09/2020

Description

The xen_failsafe_callback function in Xen for the Linux kernel 2.6.23 and other versions, when running a 32-bit PVOPS guest, allows local users to cause a denial of service (guest crash) by triggering an iret fault, leading to use of an incorrect stack pointer and stack corruption.

Solution(s)

  • ubuntu-upgrade-linux-image-3-0-0-31-generic
  • ubuntu-upgrade-linux-image-3-0-0-31-generic-pae
  • ubuntu-upgrade-linux-image-3-0-0-31-omap
  • ubuntu-upgrade-linux-image-3-0-0-31-powerpc
  • ubuntu-upgrade-linux-image-3-0-0-31-powerpc-smp
  • ubuntu-upgrade-linux-image-3-0-0-31-powerpc64-smp
  • ubuntu-upgrade-linux-image-3-0-0-31-server
  • ubuntu-upgrade-linux-image-3-0-0-31-virtual

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;