CVE-2006-2444

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 22.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-05-25 · updated 2026-06-16

Description

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.

Affected products

Linux kernel: 2.6.0, 2.6.0-test1, 2.6.0-test10, 2.6.0-test11, 2.6.0-test2, 2.6.0-test3 (+148)

References

http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.18
http://secunia.com/advisories/20182
http://secunia.com/advisories/20225
http://secunia.com/advisories/20716
http://secunia.com/advisories/21035
http://secunia.com/advisories/21136
http://secunia.com/advisories/21179
http://secunia.com/advisories/21498
http://secunia.com/advisories/21605
http://secunia.com/advisories/21983
http://secunia.com/advisories/22082
http://secunia.com/advisories/22093

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