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Bug 158878 - CAN-2005-1265 Prevent NULL mmap in topdown model
Summary: CAN-2005-1265 Prevent NULL mmap in topdown model
Alias: None
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: kernel
Version: 4.0
Hardware: All
OS: Linux
Target Milestone: ---
: ---
Assignee: Rik van Riel
QA Contact: Brian Brock
Whiteboard: public=20050519,impact=important,sour...
Depends On:
Blocks: 156322
TreeView+ depends on / blocked
Reported: 2005-05-26 14:39 UTC by Mark J. Cox
Modified: 2007-11-30 22:07 UTC (History)
4 users (show)

Fixed In Version: RHSA-2005-514
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2005-10-05 13:17:39 UTC
Target Upstream Version:

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2005:514 0 qe-ready SHIPPED_LIVE Important: Updated kernel packages available for Red Hat Enterprise Linux 4 Update 2 2005-10-05 04:00:00 UTC

Description Mark J. Cox 2005-05-26 14:39:21 UTC
Chris wright reported a problem with the topdown allocator.  This issue is
believed to allow a crash, but not result in gaining privileges (most likely due
to the BUG() cases added to 2.6 after a previous exploit).  

We didn't check RHEL4 specifically to determine if this issue affect our shipped
version.   More details see


Comment 2 Rik van Riel 2005-07-11 21:26:40 UTC
I just submitted a patch.

Comment 9 Red Hat Bugzilla 2005-10-05 13:17:40 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.


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