Bug 634976 - icmpmsg_put() in kernel writes beyond array bounds, leading to junk in /proc/net/snmp and memory corruption [rhel-5.5.z]
Summary: icmpmsg_put() in kernel writes beyond array bounds, leading to junk in /proc/...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel
Version: 5.5
Hardware: All
OS: Linux
urgent
high
Target Milestone: rc
: ---
Assignee: Jiri Pirko
QA Contact: Red Hat Kernel QE team
URL:
Whiteboard:
Depends On: 601391
Blocks:
TreeView+ depends on / blocked
 
Reported: 2010-09-17 13:26 UTC by RHEL Program Management
Modified: 2015-05-05 01:21 UTC (History)
13 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Previously, receiving 8 or more different types of ICMP packets corrupted the kernel memory. This was caused by a flaw in net/ipv4/proc.c. With this update, kernel memory is no longer corrupted when receiving 8 or more different types of ICMP packets.
Clone Of:
Environment:
Last Closed: 2010-11-09 18:07:50 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2010:0839 0 normal SHIPPED_LIVE Moderate: kernel security and bug fix update 2010-11-09 18:06:20 UTC

Description RHEL Program Management 2010-09-17 13:26:01 UTC
This bug has been copied from bug #601391 and has been proposed
to be backported to 5.5 z-stream (EUS).

Comment 2 Jiri Pirko 2010-10-11 08:55:19 UTC
in kernel 2.6.18-194.20.1.el5

linux-2.6-net-ipv4-fix-buffer-overflow-in-icmpmsg_put.patch

Comment 8 errata-xmlrpc 2010-11-09 18:07:50 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 therefore 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-2010-0839.html

Comment 9 Martin Prpič 2010-11-11 14:06:21 UTC
    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
Previously, receiving 8 or more different types of ICMP packets corrupted the kernel memory. This was caused by a flaw in net/ipv4/proc.c. With this update, kernel memory is no longer corrupted when receiving 8 or more different types of ICMP packets.


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