USN-1133-1: Linux kernel vulnerabilities

24 May 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)

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References