CVE-2006-1066

Low

Linux kernel 2.6.16-rc2 and earlier, when running on x86_64 systems with preemption enabled, allows local users to cause a denial of service (oops) via multiple ptrace tasks that perform single steps, which can cause corruption of the DEBUG_STACK stack during the do_debug function call.

Package Linux Kernel
Published 2006-03-27
Last modified 2026-04-16
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

1.2

out of 10
Low
Attack Vector
Local
Attack Complexity
High
Privileges Required
User Interaction
Scope
Confidentiality
High
Integrity
None
Availability
Vector string
AV:L/AC:H/Au:N/C:N/I:N/A:P

References

The following references provide additional information about CVE-2006-1066 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2006-1066?

    CVE-2006-1066 is a Low severity Linux kernel vulnerability with a CVSS score of 1.2 out of 10 . CVE-2006-1066 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2006-1066?

    CVE-2006-1066 has a CVSS score of 1.2 out of 10, rated Low severity (CVSS 2.0). The vector string is AV:L/AC:H/Au:N/C:N/I:N/A:P .

  • Is there a patch available for CVE-2006-1066?

    No patch is currently available for CVE-2006-1066. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2006-1066 actively exploited?

    No — CVE-2006-1066 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.