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CVE-2010-4247

CVE-2010-4247

EPSS 0.7%
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.
Affected products
n/a · n/a

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References
https://bugzilla.redhat.com/show_bug.cgi?id=656206http://secunia.com/advisories/35093http://secunia.com/advisories/42789http://secunia.com/advisories/46397http://www.openwall.com/lists/oss-security/2010/11/23/1http://www.openwall.com/lists/oss-security/2010/11/24/8http://www.redhat.com/support/errata/RHSA-2011-0004.htmlhttp://www.securityfocus.com/archive/1/520102/100/0/threadedhttp://www.securityfocus.com/bid/45029http://www.vmware.com/security/advisories/VMSA-2011-0012.htmlhttp://www.vupen.com/english/advisories/2011/0024http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/7070d34f251c