VULNERABILITY INTELLIGENCE

CVE-2006-0744

CVSS score4.9 MEDIUM
EPSS probability0.48%
CISA KEVNot currently listed
Published2006-04-18
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:N/I:N/A:C

Description

Linux kernel before 2.6.16.5 does not properly handle uncanonical return addresses on Intel EM64T CPUs, which reports an exception in the SYSRET instead of the next instruction, which causes the kernel exception handler to run on the user stack with the wrong GS.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references