|Bugzilla:||562582: CVE-2010-0415 kernel: sys_move_pages infoleak|
The MITRE CVE dictionary describes this issue as:
The do_pages_move function in mm/migrate.c in the Linux kernel before 2.6.33-rc7 does not validate node values, which allows local users to read arbitrary kernel memory locations, cause a denial of service (OOPS), and possibly have unspecified other impact by specifying a node that is not part of the kernel's node set.
This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3 and 4, as they do not include support for sys_move_pages. It was only introduced in kernel version 2.6.18 onwards. This issue was addressed in Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2010-0147.html and https://rhn.redhat.com/errata/RHSA-2010-0161.html.
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Red Hat security errata
|MRG Grid for RHEL 5 Server (kernel-rt)||RHSA-2010:0161||March 23, 2010|
|Red Hat Enterprise Linux version 5 (kernel)||RHSA-2010:0147||March 17, 2010|
Red Hat would like to thank Ramon de C. Valle for reporting this issue.
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For clarification or corrections please contact the Red Hat Security Response Team.