cve/2010/CVE-2010-4247.md

CVE-2010-4247

Description

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.

POC

Reference

• http://www.redhat.com/support/errata/RHSA-2011-0004.html
• http://www.vmware.com/security/advisories/VMSA-2011-0012.html

Github

No PoCs found on GitHub currently.