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CVE-2006-1066
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…
- 1.2LowCVSS base score
- 0.35%Exploitation in 30 daysEPSS · top 71% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By mitre
- 20 days later
· 20 days later
Published
- 18 years later
· 18 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low1.2 | AV:L/AC:H/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 0.35% · top 71% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 1.2.
Affected products
n/a
- affected n/a
References
References9
- USN-281-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- MDKSA-2006:151 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 21614 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 19955 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 17216 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 24098 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- DSA-1017 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 19374 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [linux-kernel] 20060207 [PATCH] arch/x86_64/kernel/traps.c PTRACE_SINGLESTEP oops (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2006-1070 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2006-1066)Record last updated .