CVE-2006-5836

Darwin Kernel 8.8.1 - Denial of Service via fpathconf Syscall

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-5836. PoCs published by ilja van sprundel.

AI-analyzed exploit summary This exploit triggers a local denial-of-service (DoS) in Mac OS X by misusing the `fpathconf` function with a semaphore, causing the kernel to crash. The code is minimal and directly demonstrates the vulnerability.

Description

The fpathconf syscall function in bsd/kern/kern_descrip.c in the Darwin kernel (XNU) 8.8.1 in Apple Mac OS X allows local users to cause a denial of service (kernel panic) and possibly execute arbitrary code via a file descriptor with an unrecognized file type.

Exploits (1)

exploitdb WORKING POC VERIFIED
by ilja van sprundel · cdososx
https://www.exploit-db.com/exploits/28948

This exploit triggers a local denial-of-service (DoS) in Mac OS X by misusing the `fpathconf` function with a semaphore, causing the kernel to crash. The code is minimal and directly demonstrates the vulnerability.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Apple Mac OS X (kernel)
No auth needed
Prerequisites: Local access to the target system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (12)

Core 12
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/30152
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/20982
US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA07-072A.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/30216
Exploit, Vendor Advisory x_refsource_misc
http://projects.info-pull.com/mokb/MOKB-09-11-2006.html
Mailing List vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html
Vendor Advisory x_refsource_confirm
http://docs.info.apple.com/article.html?artnum=305214
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1017751
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/22808
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/4448
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/0930
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/24479

Scores

EPSS 0.0126
EPSS Percentile 65.8%

Details

Status published
Products (1)
opendarwin/darwin_kernel 8.8.1
Published Nov 10, 2006
Tracked Since Feb 18, 2026