Linux Kernel ptrace() Function Lets Local Users Modify Kernel Memory
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SecurityTracker Alert ID: 1014305 |
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SecurityTracker URL: http://securitytracker.com/id/1014305
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CVE Reference:
CAN-2005-1763
(Links to External Site)
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Date: Jun 27 2005
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Impact:
Denial of service via local system, Modification of system information, Root 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 in the ptrace() function. A local user can write to kernel memory.
A buffer overflow may allow a local user to write "a few bytes" to kernel memory.
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Impact:
A local user may be able to cause denial of service conditions or gain elevated privileges.
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Solution:
The vendor has issued a fix.
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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:
None.
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Source Message Contents
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Date: Mon, 27 Jun 2005 10:28:11 -0400
Subject: [none]
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SUSE reported:
> an overflow in the x86-64 ptrace code allowed local users to
> write a few bytes into kernel memory pages they normally
> shouldn't have access to (CAN-2005-1763).
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