01 Record
CVE-2009-3527
Race condition in the Pipe (IPC) close function in FreeBSD 6.3 and 6.4 allows local users to cause a denial of service (crash) or gain privileges via vectors related to kqueues, which triggers a use
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
Race condition in the Pipe (IPC) close function in FreeBSD 6.3 and 6.4 allows local users to cause a denial of service (crash) or gain privileges via vectors related to kqueues, which triggers a use
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.55% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 45.9% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2009-10-06 22:00Z17 YR AGO
- Last updated
- 2024-09-17 04:20Z2 YR AGO
- Reserved
- 2009-10-02
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
- Data version
- 5.1
- Document digest
- 3310110d2bb1e6578958095ea20b9555467da9c97ec88e68f59588a7f461ed4e
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.securitytracker.com1022982http://www.securitytracker.com/id?1022982
- security.freebsd.orgFreeBSD-SA-09:13http://security.freebsd.org/advisories/FreeBSD-SA-09:13.pipe.asc
- osvdb.org58544http://osvdb.org/58544
- www.securityfocus.com20090913 Re: [Full-disclosure] FreeBSD <= 6.1 kqueue() NULL pointer dereferencehttp://www.securityfocus.com/archive/1/506449
- www.securityfocus.com36375http://www.securityfocus.com/bid/36375