HIGH
The ktimer feature (sys/kern/kern_time.c) in FreeBSD 7.0, 7.1, and 7.2 allows local users to overwrite arbitrary kernel memory via an out-of-bounds timer value
Published Mar 24, 2009
7.2
HIGHCVSS 2.0
EPSS 0.78%
Description
The ktimer feature (sys/kern/kern_time.c) in FreeBSD 7.0, 7.1, and 7.2 allows local users to overwrite arbitrary kernel memory via an out-of-bounds timer value.
Affected products
No data.
OR
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.0
- 7.1
- 7.1
- 7.1
- 7.1
- 7.1
- 7.2
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.
7.2 HIGH NVD
AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.78% 0.00780
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.00780
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 2, 2026 | 0.78% (0.00780) | 54.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.78% (0.00780) | 50.93th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00091) | 23.81th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.76% (0.01761) | 76.53th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.76% (0.01761) | 76.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.76% (0.01761) | 74.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.76% (0.01761) | 53.69th | v2 (v2022.01.01) |
Weaknesses (1)
References (5)
- http://security.freebsd.org/advisories/FreeBSD-SA-09:06.ktimer.asc vendor-advisoryx_refsource_FREEBSDExploit
- http://www.securityfocus.com/bid/34196 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1021882 vdb-entryx_refsource_SECTRACK
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49362 vdb-entryx_refsource_XF
- https://www.exploit-db.com/exploits/8261 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://security.freebsd.org/advisories/FreeBSD-SA-09:06.ktimer.asc | vendor-advisoryx_refsource_FREEBSDExploit | |
| http://www.securityfocus.com/bid/34196 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1021882 | vdb-entryx_refsource_SECTRACK | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/49362 | vdb-entryx_refsource_XF | |
| https://www.exploit-db.com/exploits/8261 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner freebsd
Published Mar 24, 2009
Updated Aug 7, 2024
Reserved Mar 22, 2009
Link CVE-2009-1041
CISA Vulnrichment
Updated n/a