{"id":"CVE-2007-5907","aliases":["EUVD-2007-5877","GHSA-qgxw-cvg4-3v23","RHSA-2008:0957"],"status":"published","title":"Xen 3.1.1 does not prevent modification of the CR4 TSC from applications, which allows pv guests...","description":"Xen 3.1.1 does not prevent modification of the CR4 TSC from applications, which allows pv guests to cause a denial of service (crash).","severity":{"version":"2.0","score":4.7,"vector":"AV:L/AC:M/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00354,"percentile":0.29285,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2007-11-09T19:00:00Z","modified":"2026-06-28T10:02:06Z","affected":[{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-PAE","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-PAE-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-PAE-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debug-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debug-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-debuginfo-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-doc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-headers","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-xen-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::client","package":"kernel-xen-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-PAE","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-PAE-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-PAE-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debug","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debug-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debug-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-debuginfo-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-doc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-headers","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-kdump","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-kdump-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-kdump-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-xen-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:5::server","package":"kernel-xen-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.6.18-92.1.18.el5"}]}],"bundled":8}],"products":[{"vendor":"xensource_inc","product":"xen"}],"references":[{"url":"http://secunia.com/advisories/32485","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10380","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://secunia.com/advisories/28412","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.novell.com/linux/security/advisories/suse_security_summary_report.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://www.redhat.com/support/errata/RHSA-2008-0957.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"http://secunia.com/advisories/28405","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.com/bid/27219","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://lists.xensource.com/archives/html/xen-devel/2007-10/msg00932.html","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://secunia.com/advisories/28636","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00002.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-5907","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qgxw-cvg4-3v23"},{"url":"https://access.redhat.com/errata/RHSA-2008:0957","tags":["advisory"]},{"url":"http://www.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=458021","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=458759","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=458781","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=459226","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=459461","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=459464","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=460251","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=377561","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=452666","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=457718","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=460638","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=460858","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=460868","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=461099","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=461457","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=461894","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=462434","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=462591","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=462860","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=463661","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=464450","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=465741","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=466427","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=466885","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=467105","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=470040","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2008/rhsa-2008_0957.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2006-5755","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2006-5755","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-5755","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2007-5907","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2007-5907","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2008-2372","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2008-2372","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-2372","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2008-3276","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2008-3276","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-3276","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2008-3527","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2008-3527","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-3527","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2008-3833","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2008-3833","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-3833","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2008-4210","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2008-4210","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-4210","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2008-4302","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2008-4302","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-4302","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2007-5907","description":"Xen 3.1.1 does not prevent modification of the CR4 TSC from applications, which allows pv guests to cause a denial of service (crash).","status":"published","published":"2007-11-09T19:00:00Z","modified":"2024-08-07T15:47:00.531Z","updated_at":"2026-11-02T13:32:11.910312Z"}],"euvd":[{"id":"EUVD-2007-5877","description":"Xen 3.1.1 does not prevent modification of the CR4 TSC from applications, which allows pv guests to cause a denial of service (crash).","status":"published","published":"2007-11-09T19:00:00Z","modified":"2024-08-07T15:47:00Z","updated_at":"2026-11-03T01:16:15.2541Z"}],"ghsa":[{"id":"GHSA-qgxw-cvg4-3v23","title":"Xen 3.1.1 does not prevent modification of the CR4 TSC from applications, which allows pv guests...","description":"Xen 3.1.1 does not prevent modification of the CR4 TSC from applications, which allows pv guests to cause a denial of service (crash).","status":"published","published":"2022-05-01T18:37:49Z","modified":"2023-01-31T05:04:44Z","updated_at":"2026-11-02T14:48:43.49737Z"}],"nvd":[{"id":"CVE-2007-5907","description":"Xen 3.1.1 does not prevent modification of the CR4 TSC from applications, which allows pv guests to cause a denial of service (crash).","status":"published","published":"2007-11-09T19:46:00Z","modified":"2026-06-16T22:47:00.9Z","cvss":[{"version":"2.0","score":4.7,"vector":"AV:L/AC:M/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:01:22.203764Z"}],"osv":[{"id":"RHSA-2008:0957","title":"Red Hat Security Advisory: kernel security and bug fix update","status":"published","published":"2024-09-15T17:34:55Z","modified":"2026-06-28T10:02:06Z","updated_at":"2026-11-02T15:53:00.468834Z"}]}}