USN-714-1: Linux kernel vulnerabilities

29 January 2009

linux-source-2.6.1522, linux vulnerabilities

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

  • Ubuntu 8.04 LTS
  • Ubuntu 7.10
  • Ubuntu 6.06 LTS

Software Description

  • linux
  • linux-source-2.6.22
  • linux-source-2.6.15

Details

Hugo Dias discovered that the ATM subsystem did not correctly manage socket counts. A local attacker could exploit this to cause a system hang, leading to a denial of service. (CVE-2008-5079)

It was discovered that the libertas wireless driver did not correctly handle beacon and probe responses. A physically near-by attacker could generate specially crafted wireless network traffic and cause a denial of service. Ubuntu 6.06 was not affected. (CVE-2008-5134)

It was discovered that the inotify subsystem contained watch removal race conditions. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2008-5182)

Dann Frazier discovered that in certain situations sendmsg did not correctly release allocated memory. A local attacker could exploit this to force the system to run out of free memory, leading to a denial of service. Ubuntu 6.06 was not affected. (CVE-2008-5300)

It was discovered that the ATA subsystem did not correctly set timeouts. A local attacker could exploit this to cause a system hang, leading to a denial of service. (CVE-2008-5700)

It was discovered that the ib700 watchdog timer did not correctly check buffer sizes. A local attacker could send a specially crafted ioctl to the device to cause a system crash, leading to a denial of service. (CVE-2008-5702)

It was discovered that in certain situations the network scheduler did not correctly handle very large levels of traffic. A local attacker could produce a high volume of UDP traffic resulting in a system hang, leading to a denial of service. Ubuntu 8.04 was not affected. (CVE-2008-5713)

Update instructions

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

Ubuntu 8.04 LTS
linux-image-2.6.24-23-386 - 2.6.24-23.48
linux-image-2.6.24-23-generic - 2.6.24-23.48
linux-image-2.6.24-23-hppa32 - 2.6.24-23.48
linux-image-2.6.24-23-hppa64 - 2.6.24-23.48
linux-image-2.6.24-23-itanium - 2.6.24-23.48
linux-image-2.6.24-23-lpia - 2.6.24-23.48
linux-image-2.6.24-23-lpiacompat - 2.6.24-23.48
linux-image-2.6.24-23-mckinley - 2.6.24-23.48
linux-image-2.6.24-23-openvz - 2.6.24-23.48
linux-image-2.6.24-23-powerpc - 2.6.24-23.48
linux-image-2.6.24-23-powerpc-smp - 2.6.24-23.48
linux-image-2.6.24-23-powerpc64-smp - 2.6.24-23.48
linux-image-2.6.24-23-rt - 2.6.24-23.48
linux-image-2.6.24-23-server - 2.6.24-23.48
linux-image-2.6.24-23-sparc64 - 2.6.24-23.48
linux-image-2.6.24-23-sparc64-smp - 2.6.24-23.48
linux-image-2.6.24-23-virtual - 2.6.24-23.48
linux-image-2.6.24-23-xen - 2.6.24-23.48
Ubuntu 7.10
linux-image-2.6.22-16-386 - 2.6.22-16.61
linux-image-2.6.22-16-cell - 2.6.22-16.61
linux-image-2.6.22-16-generic - 2.6.22-16.61
linux-image-2.6.22-16-hppa32 - 2.6.22-16.61
linux-image-2.6.22-16-hppa64 - 2.6.22-16.61
linux-image-2.6.22-16-itanium - 2.6.22-16.61
linux-image-2.6.22-16-lpia - 2.6.22-16.61
linux-image-2.6.22-16-lpiacompat - 2.6.22-16.61
linux-image-2.6.22-16-mckinley - 2.6.22-16.61
linux-image-2.6.22-16-powerpc - 2.6.22-16.61
linux-image-2.6.22-16-powerpc-smp - 2.6.22-16.61
linux-image-2.6.22-16-powerpc64-smp - 2.6.22-16.61
linux-image-2.6.22-16-rt - 2.6.22-16.61
linux-image-2.6.22-16-server - 2.6.22-16.61
linux-image-2.6.22-16-sparc64 - 2.6.22-16.61
linux-image-2.6.22-16-sparc64-smp - 2.6.22-16.61
linux-image-2.6.22-16-ume - 2.6.22-16.61
linux-image-2.6.22-16-virtual - 2.6.22-16.61
linux-image-2.6.22-16-xen - 2.6.22-16.61
Ubuntu 6.06 LTS
linux-image-2.6.15-53-386 - 2.6.15-53.75
linux-image-2.6.15-53-686 - 2.6.15-53.75
linux-image-2.6.15-53-amd64-generic - 2.6.15-53.75
linux-image-2.6.15-53-amd64-k8 - 2.6.15-53.75
linux-image-2.6.15-53-amd64-server - 2.6.15-53.75
linux-image-2.6.15-53-amd64-xeon - 2.6.15-53.75
linux-image-2.6.15-53-hppa32 - 2.6.15-53.75
linux-image-2.6.15-53-hppa32-smp - 2.6.15-53.75
linux-image-2.6.15-53-hppa64 - 2.6.15-53.75
linux-image-2.6.15-53-hppa64-smp - 2.6.15-53.75
linux-image-2.6.15-53-itanium - 2.6.15-53.75
linux-image-2.6.15-53-itanium-smp - 2.6.15-53.75
linux-image-2.6.15-53-k7 - 2.6.15-53.75
linux-image-2.6.15-53-mckinley - 2.6.15-53.75
linux-image-2.6.15-53-mckinley-smp - 2.6.15-53.75
linux-image-2.6.15-53-powerpc - 2.6.15-53.75
linux-image-2.6.15-53-powerpc-smp - 2.6.15-53.75
linux-image-2.6.15-53-powerpc64-smp - 2.6.15-53.75
linux-image-2.6.15-53-server - 2.6.15-53.75
linux-image-2.6.15-53-server-bigiron - 2.6.15-53.75
linux-image-2.6.15-53-sparc64 - 2.6.15-53.75
linux-image-2.6.15-53-sparc64-smp - 2.6.15-53.75

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

After a standard system upgrade you need to reboot your computer to effect the necessary changes.

References