Interpretation conflict in drivers/md/dm-snap-persistent.c in the Linux kernel through 3.11.6 allows remote authenticated users to obtain sensitive information or modify data via a crafted mapping to a snapshot block device.
Exploitability
AV:NAC:MAu:SImpact
C:PI:PA:P6/AV:N/AC:M/Au:S/C:P/I:P/A:P