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 (divide-by-zero error and panic) via IGMP packets.

• CWE-369

• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=654876Exploit, Mailing List, Third Party Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8c1f65c79cbbb2f7da782d4c9d15639a9b94b27
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.1Mailing List, Patch, Vendor Advisory
• http://www.openwall.com/lists/oss-security/2012/01/10/5Mailing List, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=772867Issue Tracking, Patch, Third Party Advisory
• https://github.com/torvalds/linux/commit/25c413ad0029ea86008234be28aee33456e53e5bPatch, Third Party Advisory
• https://github.com/torvalds/linux/commit/a8c1f65c79cbbb2f7da782d4c9d15639a9b94b27Patch, Third Party Advisory
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=654876Exploit, Mailing List, Third Party Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8c1f65c79cbbb2f7da782d4c9d15639a9b94b27
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.1Mailing List, Patch, Vendor Advisory
• http://www.openwall.com/lists/oss-security/2012/01/10/5Mailing List, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=772867Issue Tracking, Patch, Third Party Advisory
• https://github.com/torvalds/linux/commit/25c413ad0029ea86008234be28aee33456e53e5bPatch, Third Party Advisory
• https://github.com/torvalds/linux/commit/a8c1f65c79cbbb2f7da782d4c9d15639a9b94b27Patch, Third Party Advisory

Published

May 17, 2012

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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