Canonical Fixes Ubuntu 13.04 Linux Kernel Exploit

Users will need to restart the system in order to fix the problem

A vulnerability that has been discovered in the Linux kernel affecting the Ubuntu 13.04 (Raring Ringtail) operating system, has been announced by Canonical.

According to Canonical, the system could have been made to crash or run programs, as an administrator, if it received specially crafted network traffic.

A flaw has been discovered in the Linux kernel's iSCSI subsystem. A remote unauthenticated attacker could exploit this flaw to cause a denial of service (system crash), or to potentially gain administrative privileges.

The security flaws can be fixed if you upgrade your system(s) to the vlinux-image-3.8.0-23-generic (3.8.0-23.34).

Don't forget to reboot your computer after the upgrade!

ATTENTION: Due to an unavoidable ABI change, the kernel packages have a new version number, which will force you to reinstall and recompile all third-party kernel modules you might have installed. Moreover, if you use the linux-restricted-modules package, you have to update it as well to get modules that work with the new Linux kernel version.

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