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Ubuntu Security Notice USN-1133-1

Ubuntu Security Notice USN-1133-1
Posted May 25, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1133-1 - Nelson Elhage discovered that Econet did not correctly handle AUN packets over UDP. Dan Rosenberg discovered that the OSS subsystem did not handle name termination correctly. Dan Rosenberg discovered that IRDA did not correctly check the size of buffers. Dan Carpenter discovered that the TTPCI DVB driver did not check certain values during an ioctl.

tags | advisory, udp
systems | linux, ubuntu
advisories | CVE-2010-4342, CVE-2010-4527, CVE-2010-4529, CVE-2011-0521, CVE-2011-0711
SHA-256 | f80525e1f6c53abd390c72048278ff14463feb1c085eae156af3756b8d02500a

Ubuntu Security Notice USN-1133-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-1133-1
May 24, 2011

linux vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 8.04 LTS

Summary:

Multiple flaws in the Linux kernel.

Software Description:
- linux: Linux kernel

Details:

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)

Dan Rosenberg discovered that XFS did not correctly initialize memory. A
local attacker could make crafted ioctl calls to leak portions of kernel
stack memory, leading to a loss of privacy. (CVE-2011-0711)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 8.04 LTS:
linux-image-2.6.24-29-386 2.6.24-29.89
linux-image-2.6.24-29-generic 2.6.24-29.89
linux-image-2.6.24-29-hppa32 2.6.24-29.89
linux-image-2.6.24-29-hppa64 2.6.24-29.89
linux-image-2.6.24-29-itanium 2.6.24-29.89
linux-image-2.6.24-29-lpia 2.6.24-29.89
linux-image-2.6.24-29-lpiacompat 2.6.24-29.89
linux-image-2.6.24-29-mckinley 2.6.24-29.89
linux-image-2.6.24-29-openvz 2.6.24-29.89
linux-image-2.6.24-29-powerpc 2.6.24-29.89
linux-image-2.6.24-29-powerpc-smp 2.6.24-29.89
linux-image-2.6.24-29-powerpc64-smp 2.6.24-29.89
linux-image-2.6.24-29-rt 2.6.24-29.89
linux-image-2.6.24-29-server 2.6.24-29.89
linux-image-2.6.24-29-sparc64 2.6.24-29.89
linux-image-2.6.24-29-sparc64-smp 2.6.24-29.89
linux-image-2.6.24-29-virtual 2.6.24-29.89
linux-image-2.6.24-29-xen 2.6.24-29.89

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
CVE-2010-4342, CVE-2010-4527, CVE-2010-4529, CVE-2011-0521,
CVE-2011-0711

Package Information:
https://launchpad.net/ubuntu/+source/linux/2.6.24-29.89

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