CVE-2006-2272: Linux SCTP (lksctp) before 2.6.17 allows remote attackers to cause a denial of service (kernel panic) via inco

Q: How do I fix CVE-2006-2272?

stream control transmission protocol: upgrade to newer than 2.6.16. Exact commands for each OS are on this page.

Q: Is CVE-2006-2272 being exploited?

CVE-2006-2272 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-2006-2272 affect?

CVE-2006-2272 affects stream control transmission protocol. Severity is high (CVSS 7.8). Linux SCTP (lksctp) before 2.6.17 allows remote attackers to cause a denial of service (kernel panic) via incoming IP fragmented (1) COOKIE_ECHO and (2) HEARTBEAT SCTP control chunks.

Q: How urgent is CVE-2006-2272?

Priority 55/100. High severity; EPSS top 9%: very likely to be exploited; On your watchlist

This month

HIGH 7.8WATCHLISTUPGRADE

CVE-2006-2272 is a high-severity flaw (CVSS 7.8) affecting stream control transmission protocol. 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 (kernel panic) via incoming IP fragmented (1) COOKIE_ECHO and (2) HEARTBEAT SCTP control chunks.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
EPSS exploit chance	4.4% (top 9%)
CISA exploited list	No
Published	2006-05-09
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: 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 16:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

lksctp stream control transmission protocol UPGRADE

Affected: <= 2.6.16

Fixed in: newer than 2.6.16

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 newer than 2.6.16 (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.

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-2006-2272?

stream control transmission protocol: upgrade to newer than 2.6.16. Exact commands for each OS are on this page.

Is CVE-2006-2272 being exploited?

CVE-2006-2272 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-2006-2272 affect?

CVE-2006-2272 affects stream control transmission protocol. Severity is high (CVSS 7.8). Linux SCTP (lksctp) before 2.6.17 allows remote attackers to cause a denial of service (kernel panic) via incoming IP fragmented (1) COOKIE_ECHO and (2) HEARTBEAT SCTP control chunks.

How urgent is CVE-2006-2272?

Priority 55/100. High severity; EPSS top 9%: very likely to be exploited; On your watchlist

Related CVEs

CVE-2006-2275 HIGH 7.5 UPGRADE MITIGATE Linux SCTP (lksctp) before 2.6.17 allows remote attackers to cause a denial of service (deadlock) via a large
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

References

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