MEDIUM
The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does not use the thread group ID to check whether it is attaching to itself, which allows local users to cause a denial of service (crash)
Published Nov 23, 2005
4.9
MEDIUMCVSS 2.0
EPSS 0.43%
Description
The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does not use the thread group ID to check whether it is attaching to itself, which allows local users to cause a denial of service (crash).
Affected products
No data.
OR
- 2.6.0
- 2.6.1
- 2.6.2
- 2.6.3
- 2.6.4
- 2.6.5
- 2.6.6
- 2.6.7
- 2.6.8
- 2.6.8.1
- 2.6.9
- 2.6.10
- 2.6.11
- 2.6.11.1
- 2.6.11.2
- 2.6.11.3
- 2.6.11.4
- 2.6.11.5
- 2.6.11.6
- 2.6.11.7
- 2.6.11.8
- 2.6.11.9
- 2.6.11.10
- 2.6.11.11
- 2.6.11.12
- 2.6.12
- 2.6.12.1
- 2.6.12.2
- 2.6.12.3
- 2.6.12.4
- 2.6.13
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.9 MEDIUM NVD
AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.43% 0.00433
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00433
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.43% (0.00433) | 35.25th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.43% (0.00433) | 34.31th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00086) | 22.71th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.31% (0.02306) | 90.10th | v3 (v2023.03.01) |
| Mar 14, 2024 | 2.31% (0.02306) | 89.43th | v3 (v2023.03.01) |
| Apr 18, 2023 | 2.86% (0.02858) | 89.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.49% (0.01492) | 84.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (21)
- ftp://patches.sgi.com/support/free/security/advisories/20060402-01-U vendor-advisoryx_refsource_SGI
- http://secunia.com/advisories/17761 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/17787 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/17917 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/17918 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/18203 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/19369 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/19374 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/19607 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2006/dsa-1017 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2006/dsa-1018 vendor-advisoryx_refsource_DEBIAN
- http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git%3Ba=blobdiff%3Bh=fcfc4568b45f3f190ba320b0d5853836921cb8bc%3Bhp=019e04ec065a55d8f28157d3a1f7ba06cafd347f%3Bhb=082d52c56f642d21b771a13221068d40915a1409%3Bf=kernel/ptrace.c x_refsource_CONFIRM
- http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git%3Ba=commit%3Bh=082d52c56f642d21b771a13221068d40915a1409 x_refsource_CONFIRM
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.14.2 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:018 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:072 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/advisories/9806 vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/archive/1/419522/100/0/threaded vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/15642 vdb-entryx_refsource_BID
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=174075 x_refsource_MISC
- https://usn.ubuntu.com/231-1/ vendor-advisoryx_refsource_UBUNTU
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 23, 2005
Updated Aug 7, 2024
Reserved Nov 23, 2005
Link CVE-2005-3783
CISA Vulnrichment
Updated n/a