Bug 115820 - CAN-2004-0077 Linux kernel do_mremap VMA limit local privilege escalation
CAN-2004-0077 Linux kernel do_mremap VMA limit local privilege escalation
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: kernel (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Ernie Petrides
Brian Brock
: Security
Depends On:
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Reported: 2004-02-16 08:49 EST by Mark J. Cox (Product Security)
Modified: 2007-11-30 17:07 EST (History)
2 users (show)

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Doc Type: Bug Fix
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Last Closed: 2004-03-11 04:17:35 EST
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Description Mark J. Cox (Product Security) 2004-02-16 08:49:49 EST
Paul Starzetz discovered a flaw in return value checking in mremap()
in the Linux kernel versions 2.4.24 and previous that may allow a
local attacker to gain root privileges. No exploit is currently
available; however this issue may be exploitable. 

Affected: 3

Embargoed until Feb18
Comment 1 Ernie Petrides 2004-02-19 16:26:53 EST
The fix for this problem was committed to the RHEL3 U2 patch pool
on 9-Feb-2004, and has been available internally with the build of
kernel version 2.4.21-9.6.EL.

This problem was also fixed in kernel version 2.4.21-9.0.1.EL, which
was just released today on RHN as errata advisory RHSA-2004:066.

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