Bug 159918 - CAN-2005-0756 x86_64 crash (ptrace-check-segment)
CAN-2005-0756 x86_64 crash (ptrace-check-segment)
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: kernel (Show other bugs)
4.0
x86_64 Linux
medium Severity medium
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Assigned To: Peter Staubach
Brian Brock
source=vendorsec,public=20050517
: Security
Depends On:
Blocks: 156322
  Show dependency treegraph
 
Reported: 2005-06-09 05:35 EDT by Mark J. Cox (Product Security)
Modified: 2007-11-30 17:07 EST (History)
2 users (show)

See Also:
Fixed In Version: RHSA-2005-514
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2005-10-05 09:24:25 EDT
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
Proposed patch (662 bytes, patch)
2005-07-22 09:28 EDT, Peter Staubach
no flags Details | Diff

  None (edit)
Description Mark J. Cox (Product Security) 2005-06-09 05:35:00 EDT
The following upstream patch fixes canonical checking for segment registers in
ptrace.  This allowed user programs to set a non canonical segment which would
cause oopses in the kernel later.
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=f6b8d4778c04148729cc0b0dcd335a4411c44276
Comment 3 Mark J. Cox (Product Security) 2005-07-08 04:17:06 EDT
I meant "Not a dupe"
Comment 4 Peter Staubach 2005-07-22 09:28:46 EDT
Created attachment 117053 [details]
Proposed patch
Comment 10 Red Hat Bugzilla 2005-10-05 09:24:25 EDT
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-2005-514.html

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