The setitimer(2) system call in OpenBSD 2.0 through 3.1 does not properly check certain arguments, which allows local users to write to kernel memory and possibly gain root privileges, possibly via an integer signedness error
Published Nov 16, 2005
6.8
MEDIUMCVSS 2.0
EPSS 0.61%
Description
The setitimer(2) system call in OpenBSD 2.0 through 3.1 does not properly check certain arguments, which allows local users to write to kernel memory and possibly gain root privileges, possibly via an integer signedness error.
Affected products
No data.
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.
AV:L/AC:L/Au:S/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.61% (0.00613) | 47.44th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.61% (0.00613) | 44.47th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00045) | 10.85th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
No CWE recorded.
References (4)
- ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.0/common/032_kerntime.patch x_refsource_CONFIRMPatch
- http://www.iss.net/security_center/static/10278.php vdb-entryx_refsource_XFPatchVendor Advisory
- http://www.openbsd.org/plus32.html vendor-advisoryx_refsource_OPENBSDExploitPatchVendor Advisory
- http://www.securityfocus.com/bid/5861 vdb-entryx_refsource_BIDPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.0/common/032_kerntime.patch | x_refsource_CONFIRMPatch | |
| http://www.iss.net/security_center/static/10278.php | vdb-entryx_refsource_XFPatchVendor Advisory | |
| http://www.openbsd.org/plus32.html | vendor-advisoryx_refsource_OPENBSDExploitPatchVendor Advisory | |
| http://www.securityfocus.com/bid/5861 | vdb-entryx_refsource_BIDPatchVendor Advisory |
Change history (0)
No recorded changes yet.