CVE-2009-1041 json
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-o…
published 2009-03-24 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1042
- cvss
- 7.2
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 1
- Exploit-DB
Summary
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.
Timeline
- First public exploit (EDB-8261)
- Published
Exploit prediction
0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-8261 FreeBSD 7.0/7.1 - 'ktimer' Local Privilege Escalation local, 2009-03-23
- security.freebsd.org http://security.freebsd.org/advisories/FreeBSD-SA-09:06.ktimer.asc referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
exploit-db.com
/exploits/8261
exploit
-
security.freebsd.org
/advisories/FreeBSD-SA-09:06.ktimer.asc
vendor-advisory, exploit
-
securitytracker.com
/id?1021882
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/49362
vdb-entry
-
securityfocus.com
/bid/34196
vdb-entry
Sources
- CVE List CVE-2009-1041
- NVD CVE-2009-1041
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