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USN-1522-1: QEMU vulnerability

2 August 2012

QEMU could be made to overwrite files as the administrator, or expose sensitive information.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • qemu-kvm - Machine emulator and virtualizer

Details

It was discovered that QEMU incorrectly handled temporary files when
creating a snapshot. A local attacker could use this flaw to possibly
overwrite files with root privilege, or obtain sensitive information from
the guest.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 12.04
Ubuntu 11.10
Ubuntu 11.04
Ubuntu 10.04

In general, a standard system update will make all the necessary changes.

References