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{"acknowledgement": "Red Hat would like to thank Xen for reporting this issue.", "bugzilla": {"description": "kernel: xen: HVM guest user mode MMIO emulation DoS", "id": "843570", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=843570"}, "csaw": false, "cvss": {"cvss_base_score": "4.4", "cvss_scoring_vector": "AV:L/AC:M/Au:S/C:N/I:N/A:C", "status": "draft"}, "details": ["The handle_mmio function in arch/x86/hvm/io.c in the MMIO operations emulator for Xen 3.3 and 4.x, when running an HVM guest, does not properly reset certain state information between emulation cycles, which allows local guest OS users to cause a denial of service (guest OS crash) via unspecified operations on MMIO regions."], "name": "CVE-2012-3432", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel-xen", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2012-07-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-3432\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-3432"], "statement": "Not vulnerable.\nThe versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6,\nand Red Hat Enterprise MRG are not affected. \nThe versions of the kernel-xen packages as shipped with Red Hat Enterprise Linux 5 are not affected as they implement a different MMIO emulation mechanism.", "threat_severity": "Moderate"}

{}