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Ocurre cuando se abandonan paquetes durante una transferencia masiva desde un cliente SPICE debido a que la queue de paquetes está lleno. Un cliente SPICE malicioso podría usar este fallo para hacer que QEMU llame a la función free() con metadatos de trozos de pila falsificados, resultando en un bloqueo de QEMU o la posible ejecución de código con los privilegios del proceso QEMU en el host"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":8.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":6.0}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:P/I:P/A:P","baseScore":6.0,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":6.8,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-763"}]},{"source":"nvd@nist.gov","type":"Secondary","description":[{"lang":"en","value":"CWE-763"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.0","matchCriteriaId":"926CAE64-4C4F-4921-AC44-387424930FAC"},{"vulnerable":true,"criteria":"cpe:2.3:a:qemu:qemu:6.1.0:rc1:*:*:*:*:*:*","matchCriteriaId":"08652ABF-7A2E-4E02-BF3A-DC7C59A4DC45"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*","matchCriteriaId":"053C1B35-3869-41C2-9551-044182DE0A64"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*","matchCriteriaId":"3AA08768-75AF-4791-B229-AE938C780959"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"DEECE5FC-CACF-4496-A3E7-164736409252"},{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","matchCriteriaId":"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"},{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*","matchCriteriaId":"FA6FEEC2-9F11-4643-8827-749718254FED"}]}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1989651","source":"secalert@redhat.com","tags":["Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/09/msg00000.html","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html","source":"secalert@redhat.com","tags":["Mailing List","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202208-27","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20210902-0006/","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://www.debian.org/security/2021/dsa-4980","source":"secalert@redhat.com","tags":["Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1989651","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/09/msg00000.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202208-27","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20210902-0006/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.debian.org/security/2021/dsa-4980","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}