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Bug 125901 - [PATCH] CAN-2004-0554: FPU exception handling local DoS
[PATCH] CAN-2004-0554: FPU exception handling local DoS
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: kernel (Show other bugs)
All Linux
medium Severity high
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Assigned To: Ernie Petrides
Brian Brock
Depends On:
Blocks: 116727
  Show dependency treegraph
Reported: 2004-06-13 12:53 EDT by Robert Scheck
Modified: 2007-11-30 17:07 EST (History)
3 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2004-06-17 20:59:37 EDT
Type: ---
Regression: ---
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Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
linux-2.4.21-fpu.patch (1.82 KB, patch)
2004-06-14 15:16 EDT, Robert Scheck
no flags Details | Diff

External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2004:255 normal SHIPPED_LIVE Important: kernel security update 2004-06-17 00:00:00 EDT

  None (edit)
Description Robert Scheck 2004-06-13 12:53:29 EDT
Description of problem:
The problem is the same in RHEL3 as bug #125900 in Fedora Core 1.

Version-Release number of selected component (if applicable):

Additional info:
I only tested that crash code at i586, i686 and athlon.
Comment 1 Robert Scheck 2004-06-14 15:16:54 EDT
Created attachment 101121 [details]

This patch worked for me at i586, i686 and athlon including x86_64 and some 
SMP systems.
Comment 2 Ernie Petrides 2004-06-14 18:57:51 EDT
Thanks for the patch.
Comment 3 Robert Scheck 2004-06-15 04:44:27 EDT
Allocated as CAN-2004-0554
Comment 4 Ernie Petrides 2004-06-15 06:12:53 EDT
A fix for this problem has just been committed to the RHEL3 U3
patch pool this evening (in kernel version 2.4.21-15.11.EL).

I will update this bug report again as soon as a (pre-U3)
security advisory is available.
Comment 5 Jay Turner 2004-06-17 20:59:37 EDT
An errata 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.


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