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==========================================================================
Ubuntu Security Notice USN-1111-1
May 05, 2011
linux-source-2.6.15 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 6.06 LTS
Summary:
Multiple flaws fixed in the Linux kernel.
Software Description:
- linux-source-2.6.15: Linux kernel
Details:
Dan Rosenberg discovered multiple flaws in the X.25 facilities parsing. If
a system was using X.25, a remote attacker could exploit this to crash the
system, leading to a denial of service. (CVE-2010-4164)
Vegard Nossum discovered that memory garbage collection was not handled
correctly for active sockets. A local attacker could exploit this to
allocate all available kernel memory, leading to a denial of service.
(CVE-2010-4249)
Nelson Elhage discovered that the kernel did not correctly handle process
cleanup after triggering a recoverable kernel bug. If a local attacker were
able to trigger certain kinds of kernel bugs, they could create a specially
crafted process to gain root privileges. (CVE-2010-4258)
Nelson Elhage discovered that Econet did not correctly handle AUN packets
over UDP. A local attacker could send specially crafted traffic to crash
the system, leading to a denial of service. (CVE-2010-4342)
Dan Rosenberg discovered that the OSS subsystem did not handle name
termination correctly. A local attacker could exploit this crash the system
or gain root privileges. (CVE-2010-4527)
Dan Rosenberg discovered that IRDA did not correctly check the size of
buffers. On non-x86 systems, a local attacker could exploit this to read
kernel heap memory, leading to a loss of privacy. (CVE-2010-4529)
Dan Carpenter discovered that the TTPCI DVB driver did not check certain
values during an ioctl. If the dvb-ttpci module was loaded, a local
attacker could exploit this to crash the system, leading to a denial of
service, or possibly gain root privileges. (CVE-2011-0521)
Jens Kuehnel discovered that the InfiniBand driver contained a race
condition. On systems using InfiniBand, a local attacker could send
specially crafted requests to crash the system, leading to a denial of
service. (CVE-2011-0695)
Timo Warns discovered that the LDM disk partition handling code did not
correctly handle certain values. By inserting a specially crafted disk
device, a local attacker could exploit this to gain root privileges.
(CVE-2011-1017)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 6.06 LTS:
linux-image-2.6.15-57-386 2.6.15-57.97
linux-image-2.6.15-57-686 2.6.15-57.97
linux-image-2.6.15-57-amd64-generic 2.6.15-57.97
linux-image-2.6.15-57-amd64-k8 2.6.15-57.97
linux-image-2.6.15-57-amd64-server 2.6.15-57.97
linux-image-2.6.15-57-amd64-xeon 2.6.15-57.97
linux-image-2.6.15-57-hppa32 2.6.15-57.97
linux-image-2.6.15-57-hppa32-smp 2.6.15-57.97
linux-image-2.6.15-57-hppa64 2.6.15-57.97
linux-image-2.6.15-57-hppa64-smp 2.6.15-57.97
linux-image-2.6.15-57-itanium 2.6.15-57.97
linux-image-2.6.15-57-itanium-smp 2.6.15-57.97
linux-image-2.6.15-57-k7 2.6.15-57.97
linux-image-2.6.15-57-mckinley 2.6.15-57.97
linux-image-2.6.15-57-mckinley-smp 2.6.15-57.97
linux-image-2.6.15-57-powerpc 2.6.15-57.97
linux-image-2.6.15-57-powerpc-smp 2.6.15-57.97
linux-image-2.6.15-57-powerpc64-smp 2.6.15-57.97
linux-image-2.6.15-57-server 2.6.15-57.97
linux-image-2.6.15-57-server-bigiron 2.6.15-57.97
linux-image-2.6.15-57-sparc64 2.6.15-57.97
linux-image-2.6.15-57-sparc64-smp 2.6.15-57.97
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
CVE-2010-4164, CVE-2010-4249, CVE-2010-4258, CVE-2010-4342,
CVE-2010-4527, CVE-2010-4529, CVE-2011-0521, CVE-2011-0695,
CVE-2011-1017
Package Information:
https://launchpad.net/ubuntu/+source/linux-source-2.6.15/2.6.15-57.97
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