{"id":"CVE-2010-0730","aliases":["EUVD-2010-0756","GHSA-f4p2-64fc-c2r9","RHSA-2010:0398"],"status":"published","title":"The MMIO instruction decoder in the Xen hypervisor in the Linux kernel 2.6.18 in Red Hat...","description":"The MMIO instruction decoder in the Xen hypervisor in the Linux kernel 2.6.18 in Red Hat Enterprise Linux (RHEL) 5 allows guest OS users to cause a denial of service (32-bit guest OS crash) via vectors that trigger an unspecified instruction emulation.","severity":{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02439,"percentile":0.84413,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2010-05-11T23:00:00Z","modified":"2026-06-26T12:20:32Z","affected":[{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-PAE","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-PAE-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-PAE-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debug-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debug-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debuginfo-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-doc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-xen-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-xen-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-PAE","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-PAE-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-PAE-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debug-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debug-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debuginfo-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-doc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-kdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-kdump-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-kdump-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-xen-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-xen-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-194.3.1.el5"}]}],"bundled":5}],"products":[{"vendor":"redhat","product":"enterprise_linux"},{"vendor":"redhat","product":"enterprise_linux_desktop"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2010/05/07/1","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.securityfocus.com/bid/39979","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11430","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://secunia.com/advisories/39649","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://secunia.com/advisories/43315","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.redhat.com/support/errata/RHSA-2010-0398.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.vmware.com/security/advisories/VMSA-2011-0003.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://support.avaya.com/css/P8/documents/100088287","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/516397/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=572971","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-0730","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-f4p2-64fc-c2r9"},{"url":"https://access.redhat.com/errata/RHSA-2010:0398","tags":["advisory"]},{"url":"http://www.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=560547","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=561682","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=567168","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=569237","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=580199","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=580829","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=580832","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=580836","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=580838","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=580839","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=580840","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=580841","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=581148","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=581150","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=587799","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2010/rhsa-2010_0398.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2010-0307","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2010-0307","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-0307","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2010-0410","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2010-0410","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-0410","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2010-0730","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2010-0730","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2010-1085","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2010-1085","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-1085","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2010-1086","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2010-1086","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-1086","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2010-0730","description":"The MMIO instruction decoder in the Xen hypervisor in the Linux kernel 2.6.18 in Red Hat Enterprise Linux (RHEL) 5 allows guest OS users to cause a denial of service (32-bit guest OS crash) via vectors that trigger an unspecified instruction emulation.","status":"published","published":"2010-05-11T23:00:00Z","modified":"2024-08-07T00:59:39.008Z","updated_at":"2026-11-02T14:33:29.990758Z"}],"euvd":[{"id":"EUVD-2010-0756","description":"The MMIO instruction decoder in the Xen hypervisor in the Linux kernel 2.6.18 in Red Hat Enterprise Linux (RHEL) 5 allows guest OS users to cause a denial of service (32-bit guest OS crash) via vectors that trigger an unspecified instruction emulation.","status":"published","published":"2010-05-11T23:00:00Z","modified":"2024-08-07T00:59:39Z","updated_at":"2026-11-03T01:39:44.13762Z"}],"ghsa":[{"id":"GHSA-f4p2-64fc-c2r9","title":"The MMIO instruction decoder in the Xen hypervisor in the Linux kernel 2.6.18 in Red Hat...","description":"The MMIO instruction decoder in the Xen hypervisor in the Linux kernel 2.6.18 in Red Hat Enterprise Linux (RHEL) 5 allows guest OS users to cause a denial of service (32-bit guest OS crash) via vectors that trigger an unspecified instruction emulation.","status":"published","published":"2022-05-02T06:15:12Z","modified":"2023-02-01T05:00:39Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:49:34.37252Z"}],"nvd":[{"id":"CVE-2010-0730","description":"The MMIO instruction decoder in the Xen hypervisor in the Linux kernel 2.6.18 in Red Hat Enterprise Linux (RHEL) 5 allows guest OS users to cause a denial of service (32-bit guest OS crash) via vectors that trigger an unspecified instruction emulation.","status":"published","published":"2010-05-12T11:46:31.407Z","modified":"2026-06-16T23:16:44.153Z","cvss":[{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:45.97784Z"}],"osv":[{"id":"RHSA-2010:0398","title":"Red Hat Security Advisory: kernel security and bug fix update","status":"published","published":"2024-09-15T18:22:58Z","modified":"2026-06-26T12:20:32.194211839Z","updated_at":"2026-11-02T15:53:00.468834Z"}]}}
