Medium severity5.5NVD Advisory· Published Nov 7, 2019· Updated Jun 16, 2026
CVE-2007-3732
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. Without this, "current" used in the window between iret_exc and the middle of error_code where %fs is reset, would crash.
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Affected products
3- linux-2.6/linux-2.6v5Range: 2.6 before 2.6.23
Patches
Vulnerability mechanics
References
3- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- access.redhat.com/security/cve/cve-2007-3732nvdThird Party Advisory
- security-tracker.debian.org/tracker/CVE-2007-3732nvdThird Party Advisory
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