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Linux kernel before 2.6.18 when running on x86_64 systems does not properly save or restore EFLAGS during a context switch which allows local users to cause a denial of service (crash) by causing SYSENTER to set an NT flag which can trigger a crash on the IRET of the next task.

oval:org.mitre.oval:def:9554

Linux kernel before 2.6.18 when running on x86_64 systems does not properly save or restore EFLAGS during a context switch which allows local users to cause a denial of service (crash) by causing SYSENTER to set an NT flag which can trigger a crash on the IRET of the next task.

Family:
unix
Status:
ACCEPTED
Platform(s):
  • Oracle Linux 5
  • CentOS Linux 5
  • Red Hat Enterprise Linux 5
Class:
vulnerability
Reference(s):
  • CVE-2006-5755
Product(s):