Linux Kernel Virtual Dynamic Shared Objects Boundary Error May Let Local Users Gain Elevated Privileges
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SecurityTracker Alert ID: 1021137 |
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SecurityTracker URL: http://securitytracker.com/id/1021137
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CVE Reference:
CVE-2008-3527
(Links to External Site)
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Date: Nov 4 2008
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Impact:
Denial of service via local system, Root access via local system, User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 2.6
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Description:
A vulnerability was reported in the Linux Kernel. A local user can cause denial of service conditions. A local user may be able to obtain elevated privileges on the target system.
The Virtual Dynamic Shared Objects (vDSO) implementation does not properly check the bounds of user-supplied data.
Tavis Ormandy reported this vulnerability.
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Impact:
A local user can cause denial of service conditions on the target system.
A local user may be able to obtain elevated privileges on the target system.
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Solution:
The vendor has issued a fix [in February 2007], available at:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d91d531900bfa1165d445390b3b13a8013f98f7
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Vendor URL: www.kernel.org/ (Links to External Site)
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Cause:
Boundary error
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Underlying OS:
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Tue, 4 Nov 2008 08:53:19 -0500
Subject: Linux kernel
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Red Hat:
* Tavis Ormandy reported missing boundary checks in the Virtual Dynamic
Shared Objects (vDSO) implementation. This could allow a local unprivileged
user to cause a denial of service or escalate privileges. (CVE-2008-3527,
Important)
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