USN-2096-1: Linux kernel vulnerability

Ubuntu Security Notice USN-2096-1

30th January, 2014

linux vulnerability

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

  • Ubuntu 13.10


The system could be made to crash or run programs as an administrator.

Software description

  • linux - Linux kernel


Pageexec reported a bug in the Linux kernel's recvmmsg syscall when called
from code using the x32 ABI. An unprivileged local user could exploit this
flaw to cause a denial of service (system crash) or gain administrator

Update instructions

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

Ubuntu 13.10:
linux-image-3.11.0-15-generic-lpae 3.11.0-15.25
linux-image-3.11.0-15-generic 3.11.0-15.25

To update your system, please follow these instructions:

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