CVE-2006-2275: Linux SCTP (lksctp) before 2.6.17 allows remote attackers to cause a denial of service (deadlock) via a large

Q: How do I fix CVE-2006-2275?

stream control transmission protocol: upgrade to 2.6.17; ubuntu linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2006-2275 being exploited?

CVE-2006-2275 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-2275 affect?

CVE-2006-2275 affects stream control transmission protocol, ubuntu linux. Severity is high (CVSS 7.5). 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 t

Q: How urgent is CVE-2006-2275?

Priority 59/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

This month

HIGH 7.5REMOTEWATCHLISTUPGRADEMITIGATE

CVE-2006-2275 is a high-severity flaw (CVSS 7.5) affecting stream control transmission protocol, ubuntu linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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."

Why this priority

High severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.6% (top 11%)
CISA exploited list	No
Weakness	CWE-667
Published	2006-05-09
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: canonical · lksctp

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-05-09 20:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

lksctp stream control transmission protocol UPGRADE

Affected: < 2.6.17

Fixed in: 2.6.17

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy stream-control-transmission-protocol || rpm -q stream-control-transmission-protocol || stream-control-transmission-protocol --version

2. UPGRADE to 2.6.17 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade stream-control-transmission-protocol

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade stream-control-transmission-protocol

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

canonical ubuntu linux MITIGATE

Affected: 5.04 · 5.10 · 6.06

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.04

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-2275?

stream control transmission protocol: upgrade to 2.6.17; ubuntu linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-2275 being exploited?

CVE-2006-2275 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-2275 affect?

CVE-2006-2275 affects stream control transmission protocol, ubuntu linux. Severity is high (CVSS 7.5). 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 t

How urgent is CVE-2006-2275?

Priority 59/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Ubuntu vulnerabilities

Related CVEs

CVE-2006-2274 MEDIUM 5.0 DOWNGRADE Linux SCTP (lksctp) before 2.6.17 allows remote attackers to cause a denial of service (infinite recursion and
CVE-2006-2272 HIGH 7.8 UPGRADE Linux SCTP (lksctp) before 2.6.17 allows remote attackers to cause a denial of service (kernel panic) via inco

References

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