Which products and versions are affected by CVE-2012-0207?

Affected: Linux Kernel; Enterprise Linux Eus (Redhat) versions 5.6; kernel-debuginfo-common-i686 (amazon), among others. The full list is in the CVE brief.

Is CVE-2012-0207 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2012-0207 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2012-0207?

Public exploit code is available.

Is there a fix for CVE-2012-0207?

Fixed versions are available, including kernel 0:2.6.18-274.18.1.el5, kernel 0:2.6.32-220.7.1.el6, kernel 2.6.18-274.18.1.0.1.el5.

How urgently should CVE-2012-0207 be patched?

Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Request A Demo

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CVE-2012-0207Linux Kernel Vulnerability

kernel: igmp: Avoid zero delay when receiving odd mixture of IGMP queries

Published Jan 10, 2012 · Updated Feb 4, 2026 · Also known as UBUNTU-CVE-2012-0207

Key Facts

Patch immediately

CVE-2012-0207 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Linux Kernel, Enterprise Linux Eus (Redhat), kernel-debuginfo-common-i686 (amazon) and 22 more products.
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 20% probability of exploitation in the next 30 days.
Fixed versions are available, including kernel 0:2.6.18-274.18.1.el5, kernel 0:2.6.32-220.7.1.el6, kernel 2.6.18-274.18.1.0.1.el5.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS (30-day exploit likelihood)

20%

Higher than 97.4% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

40/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Advisories And Exploit References

advisoryhttps://ubuntu.com/security/CVE-2012-0207
advisoryhttps://www.cve.org/CVERecord?id=CVE-2012-0207
advisoryhttp://article.gmane.org/gmane.linux.network/217256
advisoryRHSA-2012:0107
advisoryRHSA-2012:0333
advisoryRHSA-2012:0350

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.

Affected Products

70 affected entries in total

Product	Affected versions	Fixed in
Linux KernelLinux	See advisory	3.0.17
Enterprise Linux EusRedhat	5.6	n/a
kernel-debuginfo-common-i686amazon	See advisory	2.6.35.14-107.1.39.amzn1
kernel-debuginfo-common-x86_64amazon	See advisory	2.6.35.14-107.1.39.amzn1
kernel-develamazon	See advisory	2.6.35.14-107.1.39.amzn1

20 more affected products in the full CVE brief

Patched Releases

kernel

0:2.6.18-274.18.1.el5, 0:2.6.32-220.7.1.el6, 2.6.18-274.18.1.0.1.el5, 2.6.32-220.7.1.el6, 2.6.35.14-107.1.39.amzn1

kernel-debug

2.6.18-274.18.1.0.1.el5, 2.6.32-220.7.1.el6

kernel-debug-devel

2.6.18-274.18.1.0.1.el5, 2.6.32-220.7.1.el6

kernel-debuginfo-common-i686

2.6.35.14-107.1.39.amzn1

kernel-debuginfo-common-x86_64

2.6.35.14-107.1.39.amzn1

kernel-devel

2.6.18-274.18.1.0.1.el5, 2.6.32-220.7.1.el6, 2.6.35.14-107.1.39.amzn1

kernel-doc

2.6.18-274.18.1.0.1.el5, 2.6.32-220.7.1.el6, 2.6.35.14-107.1.39.amzn1

kernel-firmware

2.6.32-220.7.1.el6

kernel-headers

2.6.18-274.18.1.0.1.el5, 2.6.32-220.7.1.el6, 2.6.35.14-107.1.39.amzn1

kernel-PAE

2.6.18-274.18.1.0.1.el5

kernel-PAE-devel

2.6.18-274.18.1.0.1.el5

kernel-rt

0:3.0.18-rt34.53.el6rt

kernel-uek