CVE-2016-1568

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "matchCriteriaId": "1E0091D0-CCD9-4017-A266-32576814AE63", "versionEndIncluding": "2.5.1.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:*", "matchCriteriaId": "31EC146C-A6F6-4C0D-AF87-685286262DAA", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "9DAA72A4-AC7D-4544-89D4-5B07961D5A95", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redhat:openstack:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "B152EDF3-3140-4343-802F-F4F1C329F5C3", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:*", 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AIO command."}, {"lang": "es", "value": "Vulnerabilidad de uso despu\u00e9s de liberaci\u00f3n de memoria en hw/ide/ahci.c en QEMU, cuando se construye con soporte de emulaci\u00f3n IDE AHCI, permite a usuarios del SO invitado causar una denegaci\u00f3n de servicio (ca\u00edda de instancia) o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de un comando AHCI Native Command Queuing (NCQ) AIO no v\u00e1lido."}], "id": "CVE-2016-1568", "lastModified": "2026-06-17T00:42:10.970", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-04-12T02:00:05.243", "references": [{"source": "secalert@redhat.com", "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=4ab0359a8ae182a7ac5c99609667273167703fab"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2016-0084.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://rhn.redhat.com/errata/RHSA-2016-0086.html"}, {"source": 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{"acknowledgement": "Red Hat would like to thank Qinghao Tang (Qihoo 360 Marvel Team) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2016:0086", "cpe": "cpe:/a:redhat:openstack:5::el7", "package": "qemu-kvm-rhev-10:2.3.0-31.el7_2.7", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7", "release_date": "2016-01-28T00:00:00Z"}, {"advisory": "RHSA-2016:0087", "cpe": "cpe:/a:redhat:openstack:6::el7", "package": "qemu-kvm-rhev-10:2.3.0-31.el7_2.7", "product_name": "Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7", "release_date": "2016-01-28T00:00:00Z"}, {"advisory": "RHSA-2016:0088", "cpe": "cpe:/a:redhat:openstack:7::el7", "package": "qemu-kvm-rhev-10:2.3.0-31.el7_2.7", "product_name": "Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7", "release_date": "2016-01-28T00:00:00Z"}, {"advisory": "RHSA-2016:0084", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor_power", "impact": "important", "package": "qemu-kvm-rhev-10:2.3.0-31.el7_2.7", "product_name": "RHEV 3.6 For IBM Power Systems", "release_date": "2016-01-28T00:00:00Z"}, {"advisory": "RHSA-2016:0084", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "impact": "important", "package": "qemu-kvm-rhev-10:2.3.0-31.el7_2.7", "product_name": "RHEV 3.X Hypervisor and Agents for RHEL-7", "release_date": "2016-01-28T00:00:00Z"}], "bugzilla": {"description": "Qemu: ide: ahci use-after-free vulnerability in aio port commands", "id": "1288532", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1288532"}, "csaw": false, "cvss": {"cvss_base_score": "4.0", "cvss_scoring_vector": "AV:A/AC:H/Au:S/C:P/I:P/A:P", "status": "verified"}, "cwe": "CWE-416", "details": ["Use-after-free vulnerability in hw/ide/ahci.c in QEMU, when built with IDE AHCI Emulation support, allows guest OS users to cause a denial of service (instance crash) or possibly execute arbitrary code via an invalid AHCI Native Command Queuing (NCQ) AIO command.", "A use-after-free flaw was found in the way QEMU's IDE AHCI emulator processed certain AHCI Native Command Queuing (NCQ) AIO commands. A privileged guest user could use this flaw to crash the QEMU process instance or, potentially, execute arbitrary code on the host with privileges of the QEMU process."], "name": "CVE-2016-1568", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kvm", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "impact": "important", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:openstack:5::el6", "fix_state": "Not affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6"}, {"cpe": "cpe:/a:redhat:openstack:8", "fix_state": "Affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat OpenStack Platform 8 (Liberty)"}], "public_date": "2016-01-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-1568\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-1568"], "statement": "The vector of exploit requires to enable TIOCSTI with sysctl, because it\nis by default disabled since RHEL9 and on. Then, the user would have to\nbe in root terminal, from there the user would have to run a malicious\napp that would use TIOCSTI to jump out of the child non-root shell back\nto the parent root shell.", "threat_severity": "Low"}

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