CVE-2006-5482

FreeBSD 6.1 - Denial of Service via ftruncate on Non-Standard File Types

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-5482. PoCs published by kokanin.

AI-analyzed exploit summary This exploit leverages a FreeBSD kernel vulnerability in ftruncate(2) handling for non-regular file types, causing a system reboot and potential filesystem corruption. It creates a FIFO and calls ftruncate on it, triggering the DoS condition.

Description

ufs_vnops.c in FreeBSD 6.1 allows local users to cause an unspecified denial of service by calling the ftruncate function on a file type that is not VREG, VLNK or VDIR, which is not defined in POSIX.

Exploits (1)

exploitdb WORKING POC VERIFIED
by kokanin · cdosbsd
https://www.exploit-db.com/exploits/2541

This exploit leverages a FreeBSD kernel vulnerability in ftruncate(2) handling for non-regular file types, causing a system reboot and potential filesystem corruption. It creates a FIFO and calls ftruncate on it, triggering the DoS condition.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: FreeBSD 6.0-RELEASE-p5, 6.1-RELEASE-p10
No auth needed
Prerequisites: Local access to the target system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/22413
Various Sources mailing-list x_refsource_mlist
http://lists.freebsd.org/pipermail/cvs-src/2006-May/064488.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/20522

Scores

EPSS 0.0062
EPSS Percentile 45.1%

Details

Status published
Products (1)
freebsd/freebsd 6.1
Published Oct 24, 2006
Tracked Since Feb 18, 2026