CVE-2006-2275

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-05-09 · updated 2026-06-16
Weakness: CWE-667

Description

Linux SCTP (lksctp) before 2.6.17 allows remote attackers to cause a denial of service (deadlock) via a large number of small messages to a receiver application that cannot process the messages quickly enough, which leads to "spillover of the receive buffer."

Affected products

Canonical Ubuntu Linux: 5.04, 5.10, 6.06
Lksctp Stream Control Transmission Protocol: before 2.6.17 — fixed in 2.6.17

How to fix

Upgrade to a fixed version: Lksctp Stream Control Transmission Protocol 2.6.17. Check the vendor advisory for mitigations.

References

http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7c3ceb4fb9667f34f1599a062efecf4cdc4a4ce5
http://secunia.com/advisories/20716
http://secunia.com/advisories/21465
http://secunia.com/advisories/22417
http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm
http://www.redhat.com/support/errata/RHSA-2006-0575.html
http://www.securityfocus.com/bid/17955
http://www.trustix.org/errata/2006/0026
http://www.ubuntu.com/usn/usn-302-1
https://exchange.xforce.ibmcloud.com/vulnerabilities/26433
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11295
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7c3ceb4fb9667f34f1599a062efecf4cdc4a4ce5

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