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Bug 152412

Summary: CAN-2005-0749 load_elf_library possible DoS
Product: Red Hat Enterprise Linux 2.1 Reporter: Mark J. Cox <mjc>
Component: kernelAssignee: Don Howard <dhoward>
Status: CLOSED ERRATA QA Contact: Brian Brock <bbrock>
Severity: high Docs Contact:
Priority: medium    
Version: 2.1CC: jbaron, riel
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: i386   
OS: Linux   
Whiteboard: impact=important,public=20050318,source=vendorsec,reported=20050318
Fixed In Version: RHSA-2005-529 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2005-09-29 18:07:25 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 143573    

Description Mark J. Cox 2005-03-29 10:56:48 UTC
A flaw when freeing a pointer in load_elf_library was discovered.  A local user
could potentially use this flaw to cause a denial of service (crash).  See
discussion at:
        
http://www.uwsg.iu.edu/hypermail/linux/kernel/0503.2/0603.html

Fixed upstream (note important 2nd fix for 2.4)

fixed=2.6 (20050325
http://linux.bkbits.net:8080/linux-2.6/cset@4244bffczprEXYXBhd4oTqo8WoMTGQ
fixed=2.4 (20050325
http://linux.bkbits.net:8080/linux-2.4/cset@4244930dPN44h62CZtM0P-qXoOI-7A
fixed=2.4 (20050326
http://linux.bkbits.net:8080/linux-2.4/cset@424581efkFnFr5llhjjaiNnTmuS88Q

Comment 1 Don Howard 2005-07-28 23:02:36 UTC
This issue is corrected in e.64.

Comment 4 Red Hat Bugzilla 2005-09-29 18:07:25 UTC
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-2005-529.html