Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 461
Alerts This Week
Warning Icon 1 461

Ubuntu 13.04 USN-1815-1 Critical: Exploits for Kernel Privileges

ubuntu
Calendar Grey May 2, 2013
Scroller Ubuntu
Multiple vulnerabilities in the kernel have been addressed. Discover further details about these patches and the essential actions to protect your device.
Several security issues were fixed in the kernel.

Summary

Several security issues were fixed in the kernel.

Software Description:

- linux: Linux kernel

Details:

Andy Lutomirski discover an error in the Linux kernel's credential handling

on unix sockets. A local user could exploit this flaw to gain

administrative privileges. (CVE-2013-1979)

Andy Lutomirski discovered a privilege escalation in the Linux kernel's

user namespaces. A local user could exploit the flaw to gain administrative

privileges. (CVE-2013-1959)

Topics%20covered

Topics Covered

security advisory privilege escalation kernel ubuntu administrative privileges

Update Instructions

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

Ubuntu 13.04:
  linux-image-3.8.0-19-generic    3.8.0-19.30

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

References

https://ubuntu.com/security/notices/USN-1815-1

CVE-2013-1959, CVE-2013-1979

Severity
critical
Lowest
Low
Medium
High
Critical

May 02, 2013

Topics%20covered

Topics Covered

security advisory privilege escalation kernel ubuntu administrative privileges

Package Information

https://launchpad.net/ubuntu/+source/linux/3.8.0-19.30

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.