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USN-326-1: heartbeat vulnerability

28 July 2006

heartbeat vulnerability



Yan Rong Ge discovered that heartbeat did not set proper permissions
for an allocated shared memory segment. A local attacker could exploit
this to render the heartbeat service unavailable (Denial of

Update instructions

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

Ubuntu 6.06
  • heartbeat - 1.2.4-2ubuntu0.1
Ubuntu 5.10
  • heartbeat - 1.2.3-12ubuntu0.1
Ubuntu 5.04
  • heartbeat - 1.2.3-3ubuntu1.2

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