USN-516-1: xfsdump vulnerability

Ubuntu Security Notice USN-516-1

20th September, 2007

xfsdump vulnerability

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

  • Ubuntu 7.04
  • Ubuntu 6.10
  • Ubuntu 6.06 LTS

Software description

  • xfsdump


Paul Martin discovered that xfs_fsr creates a temporary directory
with insecure permissions. This allows a local attacker to exploit a
race condition in xfs_fsr to read or overwrite arbitrary files on xfs

Update instructions

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

Ubuntu 7.04:
xfsdump 2.2.38-1ubuntu0.7.04.1
Ubuntu 6.10:
xfsdump 2.2.38-1ubuntu0.6.10.1
Ubuntu 6.06 LTS:
xfsdump 2.2.30-1ubuntu0.1

To update your system, please follow these instructions:

In general, a standard system upgrade is sufficient to effect the
necessary changes.