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.
Peter Huewe discovered an information leak in the handling of reading
security-related TPM data. A local, unprivileged user could read the
results of a previous TPM command. (CVE-2011-1162)
Vasiliy Kulikov discovered that taskstats did not enforce access
restrictions. A local attacker could exploit this to read certain
information, leading to a loss of privacy. (CVE-2011-2494)
Qianfeng Zhang discovered that the bridge networking interface
incorrectly handled certain network packets. A remote attacker could
exploit this to crash the system, leading to a denial of service.
Yasuaki Ishimatsu discovered a flaw in the kernel's clock
implementation. A local unprivileged attacker could exploit this
causing a denial of service. (CVE-2011-3209)
Zheng Liu discovered a flaw in how the ext4 filesystem splits extents.
A local unprivileged attacker could exploit this to crash the system,
leading to a denial of service. (CVE-2011-3638)
Scot Doyle discovered that the bridge networking interface incorrectly
handled certain network packets. A remote attacker could exploit this
to crash the system, leading to a denial of service. (CVE-2011-4087)
A bug was found in the way headroom check was performed in
udp6_ufo_fragment() function. A remote attacker could use this flaw to
crash the system. (CVE-2011-4326).
Update the affected packages.
Risk factor :
High / CVSS Base Score : 7.1
CVSS Temporal Score : 6.2
Public Exploit Available : true
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 57058 ()
Bugtraq ID: 50311503135031450322503665075150764
CVE ID: CVE-2011-1162CVE-2011-2494CVE-2011-2942CVE-2011-3209CVE-2011-3638CVE-2011-4081CVE-2011-4087CVE-2011-4326
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