Linux Kernel Race Condition in Pipe Functions May Let Local Users Gain Elevated Privileges
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SecurityTracker Alert ID: 1023189 |
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SecurityTracker URL: http://securitytracker.com/id/1023189
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CVE Reference:
CVE-2009-3547
(Links to External Site)
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Date: Nov 17 2009
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Impact:
Denial of service via local system, User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): prior to 2.6.32-rc6
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Description:
A vulnerability was reported in the Linux Kernel. A local user may be able to obtain elevated privileges on the target system. A local user can cause denial of service conditions.
A local user can trigger race conditions in pipe_read_open(), pipe_write_open(), and pipe_rdwr_open() in 'fs/pipe.c' to trigger a NULL pointer dereference and cause the target system to crash or potentially execute arbitrary code.
Earl Chew reported this vulnerability.
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Impact:
A local user can obtain elevated privileges on the target system.
A local user can cause the target system to crash.
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Solution:
The vendor has issued a fix (2.6.32-rc6).
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Vendor URL: www.kernel.org/ (Links to External Site)
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Cause:
Access control error, State 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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[Original Message Not Available for Viewing]
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