| Package | Affected versions | Patched versions |
|---|---|---|
| xen | = 3.0.2= 3.0.3= 3.0.4= 3.1.3= 3.1.4= 3.2.0= 3.2.1= 3.2.2= 3.2.3= 3.3.0= 3.3.1≤ 3.3.2 |
The do_block_io_op function in (1) drivers/xen/blkback/blkback.c and (2) drivers/xen/blktap/blktap.c in Xen before 3.4.0 for the Linux kernel 2.6.18, and possibly other versions, allows guest OS users to cause a denial of service (infinite loop and CPU consumption) via a large production request index to the blkback or blktap back-end drivers. NOTE: some of these details are obtained from third party information.
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