linux/drivers
Arve Hjønnevåg 2a90957f2c Staging: android: binder: Fix use-after-free bug
binder_update_page_range could read freed memory if the vma of the
selected process was freed right before the check that the vma
belongs to the mm struct it just locked.

If the vm_mm pointer in that freed vma struct had also been rewritten
with a value that matched the locked mm struct, then the code would
proceed and possibly modify the freed vma.

Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-09 13:14:08 -08:00
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staging Staging: android: binder: Fix use-after-free bug 2012-03-09 13:14:08 -08:00
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