Ubuntu 10.04 LTS : linux vulnerabilities (USN-2441-1)

Ubuntu Security Notice (C) 2014-2016 Canonical, Inc. / NASL script (C) 2014-2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related
patches.

Description :

An information leak in the Linux kernel was discovered that could leak
the high 16 bits of the kernel stack address on 32-bit Kernel Virtual
Machine (KVM) paravirt guests. A user in the guest OS could exploit
this leak to obtain information that could potentially be used to aid
in attacking the kernel. (CVE-2014-8134)

A flaw in the handling of malformed ASCONF chunks by SCTP (Stream
Control Transmission Protocol) implementation in the Linux kernel was
discovered. A remote attacker could exploit this flaw to cause a
denial of service (system crash). (CVE-2014-3673)

A flaw in the handling of duplicate ASCONF chunks by SCTP (Stream
Control Transmission Protocol) implementation in the Linux kernel was
discovered. A remote attacker could exploit this flaw to cause a
denial of service (panic). (CVE-2014-3687)

It was discovered that excessive queuing by SCTP (Stream Control
Transmission Protocol) implementation in the Linux kernel can cause
memory pressure. A remote attacker could exploit this flaw to cause a
denial of service. (CVE-2014-3688)

A NULL pointer dereference flaw was discovered in the the Linux
kernel's SCTP implementation when ASCONF is used. A remote attacker
could exploit this flaw to cause a denial of service (system crash)
via a malformed INIT chunk. (CVE-2014-7841)

Jouni Malinen reported a flaw in the handling of fragmentation in the
mac8Linux subsystem of the kernel. A remote attacker could exploit
this flaw to obtain potential sensitive cleartext information by
reading packets. (CVE-2014-8709)

A stack buffer overflow was discovered in the ioctl command handling
for the Technotrend/Hauppauge USB DEC devices driver. A local user
could exploit this flaw to cause a denial of service (system crash) or
possibly gain privileges. (CVE-2014-8884)

Andy Lutomirski discovered that the Linux kernel does not properly
handle faults associated with the Stack Segment (SS) register on the
x86 architecture. A local attacker could exploit this flaw to cause a
denial of service (panic). (CVE-2014-9090).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 5.8
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

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