{"api_version":"1","generated_at":"2026-07-23T05:00:11+00:00","cve":"CVE-2007-3732","urls":{"html":"https://cve.report/CVE-2007-3732","api":"https://cve.report/api/cve/CVE-2007-3732.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2007-3732","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2007-3732"},"summary":{"title":"CVE-2007-3732","description":"In Linux 2.6 before 2.6.23, the TRACE_IRQS_ON function in iret_exc calls a C function without ensuring that the segments are set properly. The kernel's %fs needs to be restored before the call in TRACE_IRQS_ON and before enabling interrupts, so that \"current\" references work. 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Without this, \"current\" used in the window between iret_exc and the middle of error_code where %fs is reset, would crash."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Reset %fs early in iret_exc"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"linux-2.6","product":{"product_data":[{"product_name":"linux-2.6","version":{"version_data":[{"version_affected":"=","version_value":"2.6 before 2.6.23"}]}}]}}]}},"references":{"reference_data":[{"url":"https://access.redhat.com/security/cve/cve-2007-3732","refsource":"MISC","name":"https://access.redhat.com/security/cve/cve-2007-3732"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2007-3732","refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2007-3732"},{"url":"https://security-tracker.debian.org/tracker/CVE-2007-3732","refsource":"MISC","name":"https://security-tracker.debian.org/tracker/CVE-2007-3732"}]}},"nvd":{"publishedDate":"2019-11-07 22:15:00","lastModifiedDate":"2019-11-12 15:18:00","problem_types":["NVD-CWE-Other"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.8,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:M/Au:N/C:N/I:N/A:P","accessVector":"LOCAL","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":1.9},"severity":"LOW","exploitabilityScore":3.4,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.0","versionEndExcluding":"2.6.23","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2007","CveId":"3732","Ordinal":"26397","Title":"CVE-2007-3732","CVE":"CVE-2007-3732","Year":"2007"},"notes":[{"CveYear":"2007","CveId":"3732","Ordinal":"1","NoteData":"In Linux 2.6 before 2.6.23, the TRACE_IRQS_ON function in iret_exc calls a C function without ensuring that the segments are set properly. The kernel's %fs needs to be restored before the call in TRACE_IRQS_ON and before enabling interrupts, so that \"current\" references work. Without this, \"current\" used in the window between iret_exc and the middle of error_code where %fs is reset, would crash.","Type":"Description","Title":null},{"CveYear":"2007","CveId":"3732","Ordinal":"2","NoteData":"2019-11-07","Type":"Other","Title":"Published"},{"CveYear":"2007","CveId":"3732","Ordinal":"3","NoteData":"2019-11-07","Type":"Other","Title":"Modified"}]}}}