USN-2107-1: Linux kernel vulnerabilities

18 February 2014

linux vulnerabilities

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

  • Ubuntu 10.04 LTS

Summary

Several security issues were fixed in the kernel.

Software Description

  • linux - Linux kernel

Details

A flaw was discovered in the Linux kernel’s compat ioctls for Adaptec AACRAID scsi raid devices. An unprivileged local user could send administrative commands to these devices potentially compromising the data stored on the device. (CVE-2013-6383)

mpd reported an information leak in the recvfrom, recvmmsg, and recvmsg system calls in the Linux kernel. An unprivileged local user could exploit this flaw to obtain sensitive information from kernel stack memory. (CVE-2013-7263)

mpb reported an information leak in the Layer Two Tunneling Protocol (l2tp) of the Linux kernel. A local user could exploit this flaw to obtain sensitive information from kernel stack memory. (CVE-2013-7264)

mpb reported an information leak in the Phone Network protocol (phonet) in the Linux kernel. A local user could exploit this flaw to obtain sensitive information from kernel stack memory. (CVE-2013-7265)

mpb reported an information leak in the Low-Rate Wireless Personal Area Networks support (IEEE 802.15.4) in the Linux kernel. A local user could exploit this flaw to obtain sensitive information from kernel stack memory. (CVE-2013-7281)

Update instructions

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

Ubuntu 10.04 LTS
linux-image-2.6.32-56-386 - 2.6.32-56.118
linux-image-2.6.32-56-generic - 2.6.32-56.118
linux-image-2.6.32-56-generic-pae - 2.6.32-56.118
linux-image-2.6.32-56-ia64 - 2.6.32-56.118
linux-image-2.6.32-56-lpia - 2.6.32-56.118
linux-image-2.6.32-56-powerpc - 2.6.32-56.118
linux-image-2.6.32-56-powerpc-smp - 2.6.32-56.118
linux-image-2.6.32-56-powerpc64-smp - 2.6.32-56.118
linux-image-2.6.32-56-preempt - 2.6.32-56.118
linux-image-2.6.32-56-server - 2.6.32-56.118
linux-image-2.6.32-56-sparc64 - 2.6.32-56.118
linux-image-2.6.32-56-sparc64-smp - 2.6.32-56.118
linux-image-2.6.32-56-versatile - 2.6.32-56.118
linux-image-2.6.32-56-virtual - 2.6.32-56.118

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.

ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. If you use linux-restricted-modules, you have to update that package as well to get modules which work with the new kernel version. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-server, linux-powerpc), a standard system upgrade will automatically perform this as well.

References