Bug 174076 - [RHEL3] CVE-2005-3783 ptrace DoS
[RHEL3] CVE-2005-3783 ptrace DoS
Status: CLOSED NOTABUG
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: kernel (Show other bugs)
3.0
All Linux
medium Severity high
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Assigned To: Peter Staubach
Brian Brock
source=cve,reported=20051123,impact=i...
: Security
Depends On:
Blocks:
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Reported: 2005-11-24 05:40 EST by Mark J. Cox (Product Security)
Modified: 2007-11-30 17:07 EST (History)
2 users (show)

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Doc Type: Bug Fix
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Last Closed: 2006-01-05 11:51:35 EST
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Description Mark J. Cox (Product Security) 2005-11-24 05:40:43 EST
Although this issue is said to only affect 2.6, RHEL3 contained changes to
CLONE_THREAD bia nptl backport so this needs looking at by a kernel expert to
determine if RHEL3 needs this fix.  These are the only details we currently have:

+++ This bug was initially created as a clone of Bug #174075 +++

The ptrace functionality (ptrace.c) in Linux kernel 2.6 before
        2.6.14.2, using CLONE_THREAD, does not use the thread group ID
        to check whether it is attaching to itself, which allows local
        users to cause a denial of service (crash).

Upstream fix at
http://linux.bkbits.net:8080/linux-2.6/cset@437a051edjJd4hepRSim3RmOtpXX5w
Comment 2 Ernie Petrides 2006-01-05 15:34:18 EST
Mark, I think that we should declare RHEL3 as not vulnerable to
CVE-2005-3783, possible switching the resolution of this bug to
NOTABUG.  The only problem that PeterS encountered is the one
described in bug 170261, which is CVE-2005-3107.

Let us know what you think.
Comment 3 Ernie Petrides 2006-01-13 17:57:38 EST
Changing disposition to NOTABUG.

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