CVE-2012-0207: linux linux_kernel Divide By Zero
Vulnerability summary
CVE-2012-0207 is a high (CVSS 7.8) Divide By Zero vulnerability in linux linux_kernel. EPSS estimates a 20.28% chance of exploitation in the next 30 days, higher than 97.4% of scored vulnerabilities. 2 public exploits are recorded.
Public exploit (exploit-database, 17-01-2012)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4Timeline
- 17-05-2012PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
20.28%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
No change 0.00 pp
From 20.28% on 05-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
2 foundExploit Reference (bugs.debian.org)
Maturity: unknown
Linux Kernel 2.6.36 IGMP - Remote Denial of Service
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu14 products
- linux< 3.11.0-12.19 | < 4.2.0-16.19
- linux-aws< 4.4.0-1002.2 | < 4.4.0-1001.10
- linux-flo< 3.4.0-1.3 | < 3.4.0-5.22
- linux-gke< 4.4.0-1003.3
- linux-goldfish< 3.4.0-1.9 | < 3.4.0-4.27
Linux1 product
- linux_kernel< 3.0.17 | ≥ 3.1, < 3.1.9 | ≥ 3.2, < 3.2.1
Redhat1 product
3 vendors · 16 products
References
16 links
bugs.debian.org/cgi-bin/bugreport.cgi?bug=654876X Refsource CONFIRMExploitMailing ListThird Party Advisory- github.com/torvalds/linux/commit/25c413ad0029ea86008234be28aee33456e53e5bX Refsource CONFIRMPatchThird Party Advisory
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.1X Refsource CONFIRMMailing ListPatchVendor Advisory
- github.com/torvalds/linux/commit/a8c1f65c79cbbb2f7da782d4c9d15639a9b94b27X Refsource CONFIRMPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=772867X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2012/01/10/5Mailing ListX Refsource MLISTThird Party AdvisoryREPORT
- git.kernel.orgX Refsource CONFIRM