{"id":"CVE-2012-3432","aliases":["DEBIAN-CVE-2012-3432","DSA-2531-1","EUVD-2012-3399","GHSA-rx77-gcq6-838g","openSUSE-SU-2024:10196-1"],"status":"published","title":"The handle_mmio function in arch/x86/hvm/io.c in the MMIO operations emulator for Xen 3.3 and 4.x...","description":"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.","severity":{"version":"2.0","score":1.9,"vector":"AV:L/AC:M/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00642,"percentile":0.51059,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2012-08-18T00:00:00Z","modified":"2026-10-23T17:47:39Z","fixes":[{"ecosystem":"Debian:12","package":"xen","fixed_in":["4.1.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xen","fixed_in":["4.1.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xen","fixed_in":["4.1.3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.3-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.1-5.3"}]}],"versions":["4.0.1-2","4.0.1-4","4.0.1-5","4.0.1-5.1","4.0.1-5.2"],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.0_12-1.3"}]}],"bundled":124}],"products":[{"vendor":"xen","product":"xen"}],"references":[{"url":"http://www.debian.org/security/2012/dsa-2531","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/55082","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://lists.xen.org/archives/html/xen-devel/2012-07/msg01649.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit","Vendor Advisory","advisory","evidence"]},{"url":"http://security.gentoo.org/glsa/glsa-201309-24.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00025.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/54691","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3432"},{"url":"https://github.com/advisories/GHSA-rx77-gcq6-838g"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-3432","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1898","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-0029","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-0217","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-2625","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-3432","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-3433","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4411","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4535","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4536","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4537","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4538","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4539","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-4544","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5510","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5511","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5513","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5514","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5515","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5525","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-5634","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-6075","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-0151","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-0152","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-0153","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1442","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1917","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1918","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1919","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1922","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1952","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-2007","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-3495","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4355","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4356","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4361","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4375","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4416","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4494","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4533","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4534","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4537","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4538","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4539","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4540","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4551","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4553","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-4554","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-0222","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3124","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3640","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-3672","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5146","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5149","tags":["web"]},{"u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ve/CVE-2016-7092","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7093","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7094","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2012-3432","description":"The 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