The following upstream patch checks if ptrace RIP is canonical; without this a
user can cause a crash.
Mark, this bug and bug 159917 are mixed up. You reversed the CVE names.
Changing this summary to "CAN-2005-0756 x86_64 crash (ptrace-canonical)".
*** This bug has been marked as a duplicate of 155978 ***
A fix for this problem has just been committed to the RHEL3 U6
patch pool this evening (in kernel version 2.4.21-32.8.EL).
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.