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CVE ID: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.
Test IDs: None available
Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2010-4247
Bugtraq: 20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console (Google Search)
http://www.securityfocus.com/archive/1/archive/1/520102/100/0/threaded
http://www.openwall.com/lists/oss-security/2010/11/23/1
http://www.openwall.com/lists/oss-security/2010/11/24/8
http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/7070d34f251c
http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/77f831cbb91d
RedHat Security Advisories: RHSA-2011:0004
http://www.redhat.com/support/errata/RHSA-2011-0004.html
BugTraq ID: 45029
http://www.securityfocus.com/bid/45029
http://secunia.com/advisories/35093
http://secunia.com/advisories/42789
http://secunia.com/advisories/46397
http://www.vupen.com/english/advisories/2011/0024

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