Bug 159917 - CVE-2005-0756 x86_64 crash (ptrace-check-segment)
CVE-2005-0756 x86_64 crash (ptrace-check-segment)
Status: CLOSED ERRATA
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: kernel (Show other bugs)
3.0
x86_64 Linux
medium Severity high
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Assigned To: Ernie Petrides
Brian Brock
impact=important,source=vendorsec,pub...
: Security
Depends On:
Blocks: 156320
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Reported: 2005-06-09 05:33 EDT by Mark J. Cox (Product Security)
Modified: 2007-11-30 17:07 EST (History)
6 users (show)

See Also:
Fixed In Version: RHSA-2005-663
Doc Type: Bug Fix
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Last Closed: 2005-09-28 11:18:42 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Mark J. Cox (Product Security) 2005-06-09 05:33:53 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 5 Ernie Petrides 2005-06-10 17:53:57 EDT
Reassigning this to myself.
Comment 6 Ernie Petrides 2005-06-10 21:43:58 EDT
Patch posted for review on 10-Jun-2005.
Comment 7 Mark J. Cox (Product Security) 2005-06-13 05:29:11 EDT
Actually CAN-2005-0756, fixing CVE name
Comment 9 Ernie Petrides 2005-06-14 21:06:07 EDT
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).
Comment 15 Red Hat Bugzilla 2005-09-28 11:18:42 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-2005-663.html

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