Ubuntu Security Notice (C) 2013 Canonical, Inc. / NASL script (C) 2013 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related patches.
It was discovered that hypervkvpd, which is distributed in the Linux
kernel, was not correctly validating the origin on Netlink messages.
An untrusted local user can cause a denial of service of Linux guests
in Hyper-V virtualization environments. (CVE-2012-2669)
Dmitry Monakhov reported a race condition flaw the Linux ext4
filesystem that can expose stale data. An unprivileged user could
exploit this flaw to cause an information leak. (CVE-2012-4508)
Florian Weimer discovered that hypervkvpd, which is distributed in the
Linux kernel, was not correctly validating source addresses of netlink
packets. An untrusted local user can cause a denial of service by
causing hypervkvpd to exit. (CVE-2012-5532)
Andrew Cooper of Citrix reported a Xen stack corruption in the Linux
kernel. An unprivileged user in a 32bit PVOPS guest can cause the
guest kernel to crash, or operate erroneously. (CVE-2013-0190).
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 4.9
CVSS Temporal Score : 3.6
Public Exploit Available : false