[USN-2527-1] Linux kernel (Trusty HWE) vulnerability
john.johansen at canonical.com
Thu Mar 12 06:47:50 UTC 2015
Ubuntu Security Notice USN-2527-1
March 12, 2015
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
The system could be made to crash or run programs as an administrator.
- linux-lts-trusty: Linux hardware enablement kernel from Trusty
It was discovered that the Linux kernel's Infiniband subsystem did not
properly sanitize its input parameters while registering memory regions
from userspace. A local user could exploit this flaw to cause a denial of
service (system crash) or to potentially gain administrative privileges.
The problem can be corrected by updating your system to the following
Ubuntu 12.04 LTS:
After a standard system update you need to reboot your computer to make
all the necessary changes.
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