Bug 152411 - CAN-2005-0749 load_elf_library possible DoS
Summary: CAN-2005-0749 load_elf_library possible DoS
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: kernel
Version: 3.0
Hardware: All
OS: Linux
medium
high
Target Milestone: ---
Assignee: Ernie Petrides
QA Contact: Brian Brock
URL:
Whiteboard: impact=important,public=20050318,sour...
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2005-03-29 10:56 UTC by Mark J. Cox
Modified: 2007-11-30 22:07 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2005-04-22 20:17:39 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)
proposed fix for load_elf_library() (725 bytes, patch)
2005-04-05 01:58 UTC, Ernie Petrides
no flags Details | Diff


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2005:293 0 high SHIPPED_LIVE Important: kernel security update 2005-04-22 04:00:00 UTC
Red Hat Product Errata RHSA-2005:294 0 normal SHIPPED_LIVE Moderate: Updated kernel packages available for Red Hat Enterprise Linux 3 Update 5 2005-05-18 04:00:00 UTC

Description Mark J. Cox 2005-03-29 10:56:03 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 Ernie Petrides 2005-04-05 01:58:47 UTC
Created attachment 112695 [details]
proposed fix for load_elf_library()

The patch above was posted for review on 4-Apr-2005.

Comment 2 Ernie Petrides 2005-04-14 00:22:44 UTC
A fix for this problem has just been committed to the RHEL3 E5
patch pool this evening (in kernel version 2.4.21-27.0.3.EL).


Comment 3 Ernie Petrides 2005-04-16 01:24:43 UTC
A fix for this problem has also been committed to the RHEL3 U5
patch pool this evening (in kernel version 2.4.21-32.EL).


Comment 4 Josh Bressers 2005-04-22 20:17:40 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-2005-293.html


Comment 5 Tim Powers 2005-05-18 13:29:22 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-2005-294.html



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