A small information leak was found by Brad Spengler, but it isn't thought to be useful for exploitation. Since this was fixed in FC* adding a tracking bug for EL4. Fixed in 2.6: http://linux.bkbits.net:8080/linux-2.6/cset@41bc900azV2y9j9FSjVLwmow0n5mmQ
this patch is bogus for rhel4 since we don't enable sysenter at all.
we do if we run 32bit OS on a CPU with NX.
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. http://rhn.redhat.com/errata/RHSA-2005-092.html