CVE-2009-3527 - Vulnerability Details - OpenCVE

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 after free, leading to a NULL pointer dereference or memory corruption.

Published: 2009-10-06

Score: 6.9 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:o:freebsd:freebsd:6.3:::::::*
	cpe:2.3:o:freebsd:freebsd:6.4:::::::*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2009-3509	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 after free, leading to a NULL pointer dereference or memory corruption.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Local

Access Complexity Medium

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00554.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://osvdb.org/58544
http://security.freebsd.org/advisories/FreeBSD-SA-09:13.pipe.asc
http://www.securityfocus.com/archive/1/506449
http://www.securityfocus.com/bid/36375
http://www.securitytracker.com/id?1022982

History

No history.

Subscriptions

Freebsd Freebsd

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2009-10-06T22:00:00.000Z

Updated: 2024-09-17T04:20:26.088Z

Reserved: 2009-10-02T00:00:00.000Z

Link: CVE-2009-3527

Vulnrichment

No data.

NVD

Status : Modified

Published: 2009-10-06T22:30:00.250

Modified: 2026-06-16T23:11:46.853

Link: CVE-2009-3527

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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