CVE-2006-1066
Linux kernel 2.6.16-rc2 and earlier, when running on x86_64 systems with preemption enabled,...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2006-1066- CVSS 2.0
- 1.2 Low
AV:L/AC:H/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2006-1066- Updated
- 2026-11-02
EUVDEUVD-2006-1070 No score
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.
- Record
EUVD-2006-1070- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4p55-r4rx-gmr5 No score
Linux kernel 2.6.16-rc2 and earlier, when running on x86_64 systems with preemption enabled,...
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.
- Record
GHSA-4p55-r4rx-gmr5- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
kernel-source-2.6.8Debian:3.1 From an advisory covering 30 CVEs |
before 2.6.8-16sarge2, plus listed versions 2.6.8-162.6.8-16sarge1 |
2.6.8-16sarge2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-1066 is a low vulnerability (CVSS 1.2) in Linux Kernel, published March 23, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.