{"id":"CVE-2007-6416","aliases":["EUVD-2007-6382","GHSA-xfpq-wg7f-qmm7","RHSA-2008:0089"],"status":"published","title":"The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when...","description":"The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia64 systems, allows HVM guest users to access arbitrary physical memory by triggering certain mapping operations.","severity":{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0044,"percentile":0.38537,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2007-12-17T23:00:00Z","modified":"2026-06-26T12:17:58Z","affected":[{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-PAE","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-PAE-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-PAE-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debug-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debug-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debuginfo-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-doc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-headers","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-xen-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-xen-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-PAE","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-PAE-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-PAE-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debug-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debug-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debuginfo-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-doc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-headers","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-kdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-kdump-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-kdump-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-xen-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-xen-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-53.1.6.el5"}]}],"bundled":5}],"products":[{"vendor":"xen","product":"xen"}],"references":[{"url":"http://secunia.com/advisories/28643","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9840","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://xenbits.xensource.com/ext/ia64/xen-unstable.hg?rev/e6069a715fd7","tags":["x_refsource_CONFIRM","x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/bid/26954","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://secunia.com/advisories/28146","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://osvdb.org/41344","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.redhat.com/support/errata/RHSA-2008-0089.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-6416","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xfpq-wg7f-qmm7"},{"url":"https://access.redhat.com/errata/RHSA-2008:0089","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=245777","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=372701","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=396861","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=412091","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=414041","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=424181","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=425381","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=426289","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=427994","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=428791","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2008/rhsa-2008_0089.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2007-3104","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2007-3104","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-3104","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2007-5904","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2007-5904","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-5904","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2007-6206","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2007-6206","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-6206","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2007-6416","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2007-6416","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2008-0001","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2008-0001","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-0001","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2007-6416","description":"The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia64 systems, allows HVM guest users to access arbitrary physical memory by triggering certain mapping operations.","status":"published","published":"2007-12-17T23:00:00Z","modified":"2024-08-07T16:02:36.663Z","updated_at":"2026-11-02T13:33:07.91528Z"}],"euvd":[{"id":"EUVD-2007-6382","description":"The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia64 systems, allows HVM guest users to access arbitrary physical memory by triggering certain mapping operations.","status":"published","published":"2007-12-17T23:00:00Z","modified":"2024-08-07T16:02:36Z","updated_at":"2026-11-03T01:16:12.823662Z"}],"ghsa":[{"id":"GHSA-xfpq-wg7f-qmm7","title":"The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when...","description":"The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia64 systems, allows HVM guest users to access arbitrary physical memory by triggering certain mapping operations.","status":"published","published":"2022-05-01T18:42:49Z","modified":"2023-01-31T05:05:23Z","updated_at":"2026-11-02T14:48:50.52088Z"}],"nvd":[{"id":"CVE-2007-6416","description":"The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia64 systems, allows HVM guest users to access arbitrary physical memory by triggering certain mapping operations.","status":"published","published":"2007-12-17T23:46:00Z","modified":"2026-06-16T22:48:01.247Z","cvss":[{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:01:24.110006Z"}],"osv":[{"id":"RHSA-2008:0089","title":"Red Hat Security Advisory: kernel security and bug fix update","status":"published","published":"2024-09-15T17:09:41Z","modified":"2026-06-26T12:17:58.137639289Z","updated_at":"2026-11-02T15:52:59.70892Z"}]}}