CVE-2006-2444
The snmp_trap_decode function in the SNMP NAT helper for Linux kernel before 2.6.16.18 allows...
7.8 HighPublic exploitFix available
CVE-2006-2444 is a high vulnerability (CVSS 7.8) in Linux Kernel, published May 25, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 22.1%, the 97th percentile. Fixed in kernel-source-2.4.27 2.4.27-10sarge4.
The snmp_trap_decode function in the SNMP NAT helper for Linux kernel before 2.6.16.18 allows remote attackers to cause a denial of service (crash) via unspecified remote attack vectors that cause failures in snmp_trap_decode that trigger (1) frees of random memory or (2) frees of previously-freed memory (double-free) by snmp_trap_decode as well as its calling function, as demonstrated via certain test cases of the PROTOS SNMP test suite.
Exploit likelihood
22.1%Up 6.8 points since Feb 4, 2022
What each source reports
NVD Score used
The snmp_trap_decode function in the SNMP NAT helper for Linux kernel before 2.6.16.18 allows remote attackers to cause a denial of service (crash) via unspecified remote attack vectors that cause failures in snmp_trap_decode that trigger (1) frees of random memory or (2) frees of previously-freed memory (double-free) by snmp_trap_decode as well as its calling function, as demonstrated via certain test cases of the PROTOS SNMP test suite.
- Record
CVE-2006-2444- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
The snmp_trap_decode function in the SNMP NAT helper for Linux kernel before 2.6.16.18 allows remote attackers to cause a denial of service (crash) via unspecified remote attack vectors that cause failures in snmp_trap_decode that trigger (1) frees of random memory or (2) frees of previously-freed memory (double-free) by snmp_trap_decode as well as its calling function, as demonstrated via certain test cases of the PROTOS SNMP test suite.
- Record
CVE-2006-2444- Updated
- 2026-11-02
EUVDEUVD-2006-2445 No score
The snmp_trap_decode function in the SNMP NAT helper for Linux kernel before 2.6.16.18 allows remote attackers to cause a denial of service (crash) via unspecified remote attack vectors that cause failures in snmp_trap_decode that trigger (1) frees of random memory or (2) frees of previously-freed memory (double-free) by snmp_trap_decode as well as its calling function, as demonstrated via certain test cases of the PROTOS SNMP test suite.
- Record
EUVD-2006-2445- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c9wr-fgjx-x6hj No score
The snmp_trap_decode function in the SNMP NAT helper for Linux kernel before 2.6.16.18 allows...
The snmp_trap_decode function in the SNMP NAT helper for Linux kernel before 2.6.16.18 allows remote attackers to cause a denial of service (crash) via unspecified remote attack vectors that cause failures in snmp_trap_decode that trigger (1) frees of random memory or (2) frees of previously-freed memory (double-free) by snmp_trap_decode as well as its calling function, as demonstrated via certain test cases of the PROTOS SNMP test suite.
- Record
GHSA-c9wr-fgjx-x6hj- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
kernel-source-2.4.27Debian:3.1 |
before 2.4.27-10sarge4, plus listed versions 2.4.27-102.4.27-10sarge12.4.27-10sarge22.4.27-10sarge3 |
2.4.27-10sarge4 |
fai-kernelsDebian:3.1 |
before 1.9.1sarge4, plus listed versions 1.9.11.9.1sarge11.9.1sarge21.9.1sarge3 |
1.9.1sarge4 |
systemimagerDebian:3.1 |
before 3.2.3-6sarge3, plus listed versions 3.2.3-63.2.3-6sarge13.2.3-6sarge2 |
3.2.3-6sarge3 |
kernel-source-2.6.8Debian:3.1 |
before 2.6.8-16sarge5, plus listed versions 2.6.8-162.6.8-16sarge12.6.8-16sarge22.6.8-16sarge32.6.8-16sarge4 |
2.6.8-16sarge5 |
kernelRed Hat:enterprise_linux:3::as |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-BOOTRed Hat:enterprise_linux:3::as |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-debuginfoRed Hat:enterprise_linux:3::as |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-docRed Hat:enterprise_linux:3::as |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-hugememRed Hat:enterprise_linux:3::as |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-hugemem-unsupportedRed Hat:enterprise_linux:3::as |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
Show 74 moreShow less
| Package | Affected | Fixed |
|---|---|---|
kernel-smpRed Hat:enterprise_linux:3::as |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-smp-unsupportedRed Hat:enterprise_linux:3::as |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-sourceRed Hat:enterprise_linux:3::as |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-unsupportedRed Hat:enterprise_linux:3::as |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernelRed Hat:enterprise_linux:3::desktop |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-BOOTRed Hat:enterprise_linux:3::desktop |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-debuginfoRed Hat:enterprise_linux:3::desktop |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-docRed Hat:enterprise_linux:3::desktop |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-hugememRed Hat:enterprise_linux:3::desktop |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-hugemem-unsupportedRed Hat:enterprise_linux:3::desktop |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-smpRed Hat:enterprise_linux:3::desktop |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-smp-unsupportedRed Hat:enterprise_linux:3::desktop |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-sourceRed Hat:enterprise_linux:3::desktop |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-unsupportedRed Hat:enterprise_linux:3::desktop |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernelRed Hat:enterprise_linux:3::es |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-BOOTRed Hat:enterprise_linux:3::es |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-debuginfoRed Hat:enterprise_linux:3::es |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-docRed Hat:enterprise_linux:3::es |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-hugememRed Hat:enterprise_linux:3::es |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-hugemem-unsupportedRed Hat:enterprise_linux:3::es |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-smpRed Hat:enterprise_linux:3::es |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-smp-unsupportedRed Hat:enterprise_linux:3::es |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-sourceRed Hat:enterprise_linux:3::es |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-unsupportedRed Hat:enterprise_linux:3::es |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernelRed Hat:enterprise_linux:3::ws |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-BOOTRed Hat:enterprise_linux:3::ws |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-debuginfoRed Hat:enterprise_linux:3::ws |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-docRed Hat:enterprise_linux:3::ws |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-hugememRed Hat:enterprise_linux:3::ws |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-hugemem-unsupportedRed Hat:enterprise_linux:3::ws |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-smpRed Hat:enterprise_linux:3::ws |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-smp-unsupportedRed Hat:enterprise_linux:3::ws |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-sourceRed Hat:enterprise_linux:3::ws |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernel-unsupportedRed Hat:enterprise_linux:3::ws |
before 0:2.4.21-47.EL | 0:2.4.21-47.EL |
kernelRed Hat:enterprise_linux:4::as |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-debuginfoRed Hat:enterprise_linux:4::as |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-develRed Hat:enterprise_linux:4::as |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-docRed Hat:enterprise_linux:4::as |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-hugememRed Hat:enterprise_linux:4::as |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-hugemem-develRed Hat:enterprise_linux:4::as |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-largesmpRed Hat:enterprise_linux:4::as |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-largesmp-develRed Hat:enterprise_linux:4::as |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-smpRed Hat:enterprise_linux:4::as |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-smp-develRed Hat:enterprise_linux:4::as |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernelRed Hat:enterprise_linux:4::desktop |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-debuginfoRed Hat:enterprise_linux:4::desktop |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-develRed Hat:enterprise_linux:4::desktop |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-docRed Hat:enterprise_linux:4::desktop |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-hugememRed Hat:enterprise_linux:4::desktop |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-hugemem-develRed Hat:enterprise_linux:4::desktop |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-largesmpRed Hat:enterprise_linux:4::desktop |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-largesmp-develRed Hat:enterprise_linux:4::desktop |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-smpRed Hat:enterprise_linux:4::desktop |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-smp-develRed Hat:enterprise_linux:4::desktop |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernelRed Hat:enterprise_linux:4::es |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-debuginfoRed Hat:enterprise_linux:4::es |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-develRed Hat:enterprise_linux:4::es |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-docRed Hat:enterprise_linux:4::es |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-hugememRed Hat:enterprise_linux:4::es |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-hugemem-develRed Hat:enterprise_linux:4::es |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-largesmpRed Hat:enterprise_linux:4::es |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-largesmp-develRed Hat:enterprise_linux:4::es |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-smpRed Hat:enterprise_linux:4::es |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-smp-develRed Hat:enterprise_linux:4::es |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernelRed Hat:enterprise_linux:4::ws |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-debuginfoRed Hat:enterprise_linux:4::ws |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-develRed Hat:enterprise_linux:4::ws |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-docRed Hat:enterprise_linux:4::ws |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-hugememRed Hat:enterprise_linux:4::ws |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-hugemem-develRed Hat:enterprise_linux:4::ws |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-largesmpRed Hat:enterprise_linux:4::ws |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-largesmp-develRed Hat:enterprise_linux:4::ws |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-smpRed Hat:enterprise_linux:4::ws |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
kernel-smp-develRed Hat:enterprise_linux:4::ws |
before 0:2.6.9-42.0.2.EL | 0:2.6.9-42.0.2.EL |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Linux Kernel < 2.6.16.18 - Netfilter NAT SNMP Module Remote Denial of Service | 2006-06-05 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
References
redhat.com/support/errata/RHSA-2006-0437.html
novell.com/linux/security/advisories/2006_42_kernel.html
securitytracker.com/id?1016153
secunia.com/advisories/20716
Show 167 moreShow less
osvdb.org/25750
debian.org/security/2006/dsa-1183
ubuntu.com/usn/usn-302-1
vupen.com/english/advisories/2006/1916
kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.18
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11318
support.avaya.com/elmodocs2/security/ASA-2006-180.htm
securityfocus.com/bid/18081
exchange.xforce.ibmcloud.com/vulnerabilities/26594
kb.cert.org/vuls/id/681569
kernel.org/git?p=linux/kernel/git/stable/linux-2.6.16.y.git%3Ba=commit%3Bh=1db6b5a66e93ff125ab871d6b3f7363412cc87e8
mandriva.com/security/advisories?name=MDKSA-2006:087
nvd.nist.gov/vuln/detail/CVE-2006-2444
github.com/advisories/GHSA-c9wr-fgjx-x6hj
access.redhat.com/errata/RHSA-2006:0437
bugzilla.redhat.com/show_bug.cgi?id=97000
security.access.redhat.com/data/csaf/v2/advisories/2006/rhsa-2006_0437.json
cve.org/CVERecord?id=CVE-2005-3055