Ubuntu Security Notice (C) 2011-2014 Canonical, Inc. / NASL script (C) 2011-2014 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related patches.
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.
Andrea Righi discovered a race condition in the KSM memory merging
support. If KSM was being used, a local attacker could exploit this to
crash the system, leading to a denial of service. (CVE-2011-2183)
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)
Robert Swiecki discovered that mapping extensions were incorrectly
handled. A local attacker could exploit this to crash the system,
leading to a denial of service. (CVE-2011-2496)
It was discovered that the wireless stack incorrectly verified SSID
lengths. A local attacker could exploit this to cause a denial of
service or gain root privileges. (CVE-2011-2517).
Update the affected packages.
Risk factor :
High / CVSS Base Score : 7.2
CVSS Temporal Score : 6.3
Public Exploit Available : true
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 56946 ()
Bugtraq ID: 47381
CVE ID: CVE-2011-1585CVE-2011-2183CVE-2011-2491CVE-2011-2496CVE-2011-2517
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