CVE-2012-0207

HIGHNVD 7.57.5—Trending — 4 sources updated this weekElevated

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 93.8%
KEV: Not listed

Published

May 17, 2012

Last Modified

April 29, 2026

Advisory Details (6)

Auto-updated May 29, 2026

Patch available. Sources: redhat, github_commit.

generic

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.1

generic Patch Available

#654876 - CVE-2012-0207: divide error and panic when receiving mixed IGMP queries - Debian Bug report logs

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=654876

github_commit

commit a8c1f65c79cb (torvalds/linux)

Fix landed in torvalds/linux commit a8c1f65c79cb — awaiting tagged release

https://github.com/torvalds/linux/commit/a8c1f65c79cbbb2f7da782d4c9d15639a9b94b27

github_commit

commit 25c413ad0029 (torvalds/linux)

Fix landed in torvalds/linux commit 25c413ad0029 — awaiting tagged release

https://github.com/torvalds/linux/commit/25c413ad0029ea86008234be28aee33456e53e5b

redhat Patch Available

772867 – (CVE-2012-0207) CVE-2012-0207 kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries

Affected: Red Hat Enterprise Linux 4 as it did not backport the upstream commit 5b7c8406.

https://bugzilla.redhat.com/show_bug.cgi?id=772867

generic

oss-security - CVE-2012-0207 kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries

http://www.openwall.com/lists/oss-security/2012/01/10/5

Patch Availability(10)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-image-2.6.38-13-powerpc-smp (2.6.38-13.56) @ natty	2026-05-29	ubuntu
ubuntu	linux-image-3.0.0-16-generic (3.0.0-16.28) @ oneiric	2026-05-29	ubuntu
ubuntu	linux-image-2.6.38-13-generic (2.6.38-13.56~lucid1) @ lucid	2026-05-29	ubuntu
ubuntu	linux-image-3.0.0-1207-omap4 (3.0.0-1207.16) @ oneiric	2026-05-29	ubuntu
ubuntu	linux-image-2.6.38-1209-omap4 (2.6.38-1209.21) @ natty	2026-05-29	ubuntu
ubuntu	linux-image-3.0.0-16-generic-pae (3.0.0-16.29~lucid1) @ lucid	2026-05-29	ubuntu
redhat	rhev-hypervisor6-0:6.2-20120320.0.el6_2	2012-03-26	redhat
redhat	kernel-0:2.6.32-220.7.1.el6	2012-03-06	redhat
redhat	kernel-rt-0:3.0.18-rt34.53.el6rt	2012-02-23	redhat
redhat	kernel-0:2.6.18-274.18.1.el5	2012-02-09	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-369Divide By Zero

All Vendor Advisories

(10)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 04:34 UTCEG score recompute
2026-05-29 04:34 UTCVendor advisory
2026-05-29 04:34 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-18378
First seen Jan 17, 2012
Linux Kernel 2.6.36 IGMP - Remote Denial of Service
Open source ↗

Frequently asked(5)

What is CVE-2012-0207?

CVE-2012-0207 is a high vulnerability published on May 17, 2012. The igmpheardquery 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.

When was CVE-2012-0207 disclosed?

CVE-2012-0207 was first published in the National Vulnerability Database on May 17, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2012-0207 actively exploited?

CVE-2012-0207 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2012-0207?

CVE-2012-0207 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2012-0207?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-0207, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2012-0207

Explore →

Is Your Infrastructure Affected by CVE-2012-0207?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2012-0207

Published

Last Modified

Advisory Details (6)

#654876 - CVE-2012-0207: divide error and panic when receiving mixed IGMP queries - Debian Bug report logs

commit a8c1f65c79cb (torvalds/linux)

commit 25c413ad0029 (torvalds/linux)

772867 – (CVE-2012-0207) CVE-2012-0207 kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries

oss-security - CVE-2012-0207 kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries

Patch Availability(10)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2012-0207?

Same vendor

Same CWE

CVE-2012-0207

📅 Published

🔄 Last Modified

📋 Advisory Details (6)

#654876 - CVE-2012-0207: divide error and panic when receiving mixed IGMP queries - Debian Bug report logs

commit a8c1f65c79cb (torvalds/linux)

commit 25c413ad0029 (torvalds/linux)

772867 – (CVE-2012-0207) CVE-2012-0207 kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries

oss-security - CVE-2012-0207 kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries

Patch Availability(10)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2012-0207?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

Advisory Details (6)

Frequently asked(5)

Related CVEs(same vendor + same CWE)