VULNERABILITY INTELLIGENCE
CVE-2006-5755
CVSS score4.9 MEDIUM
EPSS probability0.42%
CISA KEVNot currently listed
Published2006-12-31
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:N/I:N/A:C
Description
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.