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{"acknowledgement": "Red Hat would like to thank Donghai Zdh (Alibaba Inc.) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2016:2706", "cpe": "cpe:/a:redhat:openstack:5::el7", "package": "qemu-kvm-rhev-10:2.6.0-27.el7", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7", "release_date": "2016-11-14T00:00:00Z"}, {"advisory": "RHSA-2016:2705", "cpe": "cpe:/a:redhat:openstack:6::el7", "package": "qemu-kvm-rhev-10:2.6.0-27.el7", "product_name": "Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7", "release_date": "2016-11-14T00:00:00Z"}, {"advisory": "RHSA-2016:2704", "cpe": "cpe:/a:redhat:openstack:7::el7", "package": "qemu-kvm-rhev-10:2.6.0-27.el7", "product_name": "Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7", "release_date": "2016-11-14T00:00:00Z"}, {"advisory": "RHSA-2016:2670", "cpe": "cpe:/a:redhat:openstack:8::el7", "package": "qemu-kvm-rhev-10:2.6.0-27.el7", "product_name": "Red Hat OpenStack Platform 8.0 (Liberty)", "release_date": "2016-11-07T00:00:00Z"}, {"advisory": "RHSA-2016:2671", "cpe": "cpe:/a:redhat:openstack:9::el7", "package": "qemu-kvm-rhev-10:2.6.0-27.el7", "product_name": "Red Hat OpenStack Platform 9.0 (Mitaka)", "release_date": "2016-11-07T00:00:00Z"}], "bugzilla": {"description": "Qemu: OOB access in address_space_rw leads to segmentation fault", "id": "1300771", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1300771"}, "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-787", "details": ["The cpu_physical_memory_write_rom_internal function in exec.c in QEMU (aka Quick Emulator) does not properly skip MMIO regions, which allows local privileged guest users to cause a denial of service (guest crash) via unspecified vectors.", "An out-of-bounds flaw was found in the QEMU emulator built using 'address_space_translate' to map an address to a MemoryRegionSection. The flaw could occur while doing pci_dma_read/write calls, resulting in an out-of-bounds read-write access error. A privileged user inside a guest could use this flaw to crash the guest instance (denial of service)."], "name": "CVE-2015-8818", "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: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": "Not affected", "package_name": "qemu-kvm", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "qemu-kvm-rhev", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2016-01-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-8818\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-8818"], "threat_severity": "Low"}