2023-04-24 12:24:31 +02:00
{
"id" : "CVE-2010-4247" ,
"sourceIdentifier" : "secalert@redhat.com" ,
"published" : "2011-01-11T03:00:04.063" ,
2023-11-07 21:03:21 +00:00
"lastModified" : "2023-11-07T02:06:14.867" ,
2023-04-24 12:24:31 +02:00
"vulnStatus" : "Modified" ,
"descriptions" : [
{
"lang" : "en" ,
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"value" : "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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} ,
{
"lang" : "es" ,
"value" : "La funci\u00f3n do_block_io_op en (1) ldrivers/xen/blkback/blkback.c and (2) drivers/xen/blktap/blktap.c en Xen anterior a v3.4.0 para el kernel Linux v2.6.18, y posiblemente otras versiones, permite a los usuarios invitados del sistema operativo causar una denegaci\u00f3n de servicio (bucle infinito y el consumo de CPU) a trav\u00e9s de un gran \u00edndice de producci\u00f3n de peticiones a los controladores blkback o blktap back-end. NOTA: algunos de estos detalles han sido obtenidos de informaci\u00f3n de terceros."
}
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"accessVector" : "ADJACENT_NETWORK" ,
"accessComplexity" : "LOW" ,
"authentication" : "SINGLE" ,
"confidentialityImpact" : "NONE" ,
"integrityImpact" : "NONE" ,
"availabilityImpact" : "COMPLETE" ,
"baseScore" : 5.5
} ,
"baseSeverity" : "MEDIUM" ,
"exploitabilityScore" : 5.1 ,
"impactScore" : 6.9 ,
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"references" : [
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{
"url" : "http://secunia.com/advisories/35093" ,
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"url" : "http://secunia.com/advisories/42789" ,
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{
"url" : "http://www.openwall.com/lists/oss-security/2010/11/23/1" ,
"source" : "secalert@redhat.com" ,
"tags" : [
"Patch"
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} ,
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"url" : "http://www.openwall.com/lists/oss-security/2010/11/24/8" ,
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"url" : "http://www.redhat.com/support/errata/RHSA-2011-0004.html" ,
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"url" : "http://www.securityfocus.com/archive/1/520102/100/0/threaded" ,
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"url" : "http://www.securityfocus.com/bid/45029" ,
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"url" : "http://www.vmware.com/security/advisories/VMSA-2011-0012.html" ,
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"url" : "http://www.vupen.com/english/advisories/2011/0024" ,
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"url" : "http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/7070d34f251c" ,
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}
