Ubuntu Security Notice (C) 2011-2012 Canonical, Inc. / NASL script (C) 2011-2012 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related
It was discovered that CIFS incorrectly handled authentication. When
a user had a CIFS share mounted that required authentication, a local
user could mount the same share without knowing the correct password.
It was discovered that the GRE protocol incorrectly handled netns
initialization. A remote attacker could send a packet while the
ip_gre module was loading, and crash the system, leading to a denial
of service. (CVE-2011-1767)
It was discovered that the IP/IP protocol incorrectly handled netns
initialization. A remote attacker could send a packet while the ipip
module was loading, and crash the system, leading to a denial of
Vasily Averin discovered that the NFS Lock Manager (NLM) incorrectly
handled unlock requests. A local attacker could exploit this to cause
a denial of service. (CVE-2011-2491)
See also :
Update the affected package(s).
Risk factor :
Medium / CVSS Base Score : 5.4