Bug 112886 - CAN-2003-0985 mremap kernel vulnerability
CAN-2003-0985 mremap kernel vulnerability
Product: Red Hat Enterprise Linux 2.1
Classification: Red Hat
Component: kernel (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Arjan van de Ven
Brian Brock
Depends On:
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Reported: 2004-01-05 07:55 EST by Mark J. Cox (Product Security)
Modified: 2007-11-30 17:06 EST (History)
2 users (show)

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Doc Type: Bug Fix
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Last Closed: 2004-01-05 12:54:54 EST
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Description Mark J. Cox (Product Security) 2004-01-05 07:55:17 EST
Paul Starzetz discovered a flaw in bounds checking in mremap() in the
Linux kernel versions 2.4.23 and previous which may allow a local
attacker to gain root privileges. No exploit is currently available;
however, it is believed that this issue is exploitable (although not

The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2003-0985 to this issue.
Comment 1 Mark J. Cox (Product Security) 2004-01-05 07:56:06 EST
affected 2.1AS/AW/ES/WS.  RHSA-2003:418 and RHSA-2003:419 in progress
Comment 2 John Flanagan 2004-01-05 12:54:54 EST
An errata 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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