CVE-2006-2275

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."

Published: 2006-05-09 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-2275 is rated Moderate Risk (60.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.28%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-2275

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 3.17% 3.28% +0.12%
2 2025-06-02 2.54% 3.17% +0.62%
3 2025-03-30 — 2.54% —

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-2275

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2006-2275

OS Trackers for CVE-2006-2275

vendor priority summary link
alpine — CVE-2006-2275: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-2275
redhat medium — https://access.redhat.com/security/cve/CVE-2006-2275
ubuntu medium CVE-2006-2275 medium priority: Ubuntu including 2 source packages (linux-source-2.6.15, linux-source-2.6.17), 8 status rows across 4 suites (dapper, edgy, feisty, upstream): DNE 4, needs-triage 2, released 2. https://ubuntu.com/security/CVE-2006-2275

Affected software / configurations for CVE-2006-2275

Vendor Product Version Raw CPE
lksctp stream_control_transmission_protocol < 2.6.17 cpe:2.3:a:lksctp:stream_control_transmission_protocol:*:*:*:*:*:*:*:*
canonical ubuntu_linux 5.04 cpe:2.3:o:canonical:ubuntu_linux:5.04:*:*:*:*:*:*:*
canonical ubuntu_linux 5.10 cpe:2.3:o:canonical:ubuntu_linux:5.10:*:*:*:*:*:*:*
canonical ubuntu_linux 6.06 cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*

References for CVE-2006-2275

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