[USN-1827-1] Linux kernel vulnerability
john.johansen at canonical.com
Thu May 16 02:10:03 UTC 2013
Ubuntu Security Notice USN-1827-1
May 16, 2013
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.04
The system could be made to run programs as an administrator.
- linux: Linux kernel
An flaw was discovered in the Linux kernel's perf_events interface. A local
user could exploit this flaw to escalate privileges on the system.
The problem can be corrected by updating your system to the following
After a standard system update you need to reboot your computer to make
all the necessary changes.
ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.
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