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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Flaw in do_pages_move() Lets Local Users Obtain Kernel Memory and Deny Service
SecurityTracker Alert ID:  1023554
SecurityTracker URL:  http://securitytracker.com/id/1023554
CVE Reference:   CVE-2010-0415   (Links to External Site)
Date:  Feb 8 2010
Impact:   Denial of service via local system, Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 2.6.18 and later
Description:   A vulnerability was reported in the Linux kernel. A local user can obtain potentially sensitive information. A local user can cause denial of service conditions.

A local user can supply a specially crafted value to a sys_move_pages call to access potentially sensitive information from kernel memory.

A local user can also cause the target system to crash.

Ramon de Carvalho Valle of IBM reported this vulnerability.

Impact:   A local user can cause the target system to crash.

A local user can obtain potentially sensitive information from kernel memory.

Solution:   The vendor has issued a source code fix, available at:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6f5a55f1a6c5abee15a0e878e5c74d9f1569b8b0

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Access control error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Mar 17 2010 (Red Hat Issues Fix) Linux Kernel Flaw in do_pages_move() Lets Local Users Obtain Kernel Memory and Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Mar 24 2010 (Red Hat Issues Fix) Linux Kernel Flaw in do_pages_move() Lets Local Users Obtain Kernel Memory and Deny Service
Red Hat has issued a fix for Red Hat Enterprise MRG 1.2.
Nov 16 2010 (VMware Issues Fix) Linux Kernel Flaw in do_pages_move() Lets Local Users Obtain Kernel Memory and Deny Service
VMware has issued a fix and ESXi and ESX.



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