Ubuntu Security Notice (C) 2012-2013 Canonical, Inc. / NASL script (C) 2012-2013 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related patches.
A flaw was found in the Linux's kernels ext4 file system when mounted
with a journal. A local, unprivileged user could exploit this flaw to
cause a denial of service. (CVE-2011-4086)
A flaw was found in the Linux kernel's KVM (Kernel Virtual Machine)
virtual cpu setup. An unprivileged local user could exploit this flaw
to crash the system leading to a denial of service. (CVE-2012-1601)
Steve Grubb reported a flaw with Linux fscaps (file system base
capabilities) when used to increase the permissions of a process. For
application on which fscaps are in use a local attacker can disable
address space randomization to make attacking the process with raised
privileges easier. (CVE-2012-2123).
Update the affected packages.
Risk factor :
High / CVSS Base Score : 7.2
CVSS Temporal Score : 6.3
Public Exploit Available : true