An attacker could use usb-creator to unmount arbitrary disks or perform other unauthorized disk operations.
Evan Broder discovered that usb-creator did not properly enforce restrictions when performing privileged disk operations. A local attacker could use this flaw to perform certain disk operations, such as unmount arbitrary mountpoints.
2 May 2011
A security issue affects these releases of Ubuntu and its derivatives:
An attacker could use usb-creator to unmount arbitrary disks or perform other unauthorized disk operations.
Evan Broder discovered that usb-creator did not properly enforce restrictions when performing privileged disk operations. A local attacker could use this flaw to perform certain disk operations, such as unmount arbitrary mountpoints.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon