{"id":"CVE-2007-3732","state":"PUBLISHED","title":"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 bef","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. Without this, \"current\" used in the window between iret_exc and the middle of error_code where %fs is reset, would crash.","publishedAt":"2019-11-07T21:31:50.000Z","updatedAt":"2024-08-07T14:28:52.054Z","severity":null,"assigner":"redhat","products":["linux-2.6 linux-2.6"],"affected":[{"vendor":"linux-2.6","product":"linux-2.6","versions":[{"version":"2.6 before 2.6.23","status":"affected"}]}],"references":["https://security-tracker.debian.org/tracker/CVE-2007-3732","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2007-3732","https://access.redhat.com/security/cve/cve-2007-3732"],"weaknesses":[],"ingestedAt":"2026-10-29T19:38:33.664Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2007/3xxx/CVE-2007-3732.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2007-3732","state":"PUBLISHED","datePublished":"2019-11-07T21:31:50.000Z","dateUpdated":"2024-08-07T14:28:52.054Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2007-07-12T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"linux-2.6","product":"linux-2.6","versions":[{"version":"2.6 before 2.6.23","status":"affected"}]}],"references":[{"url":"https://security-tracker.debian.org/tracker/CVE-2007-3732","tags":["x_refsource_MISC"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2007-3732","tags":["x_refsource_MISC"]},{"url":"https://access.redhat.com/security/cve/cve-2007-3732","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"Reset %fs early in iret_exc","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2019-11-07T21:31:50.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://security-tracker.debian.org/tracker/CVE-2007-3732","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2007-3732","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://access.redhat.com/security/cve/cve-2007-3732","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-07T14:28:52.054Z"}}]}}}