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5.0

Linux SCTP before 2.6.17 can crash from crafted packet

CVE-2006-2274 · published 20 years ago
Summary

The SCTP networking component in Linux versions older than 2.6.17 can be forced to stop working if it receives a specially formed network packet. The packet triggers a software loop that eventually crashes the system, causing a denial of service. Update the Linux kernel to version 2.6.17 or later to prevent this issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
lksctp stream_control_transmission_protocol 2.6.17
cpe:2.3:a:lksctp:stream_control_transmission_protocol:2.6.17:*:*:*:*:*:*:*
Original advisory text
Linux SCTP (lksctp) before 2.6.17 allows remote attackers to cause a denial of service (infinite recursion and crash) via a packet that contains two or more DATA fragments, which causes an skb poin...
Linux SCTP (lksctp) before 2.6.17 allows remote attackers to cause a denial of service (infinite recursion and crash) via a packet that contains two or more DATA fragments, which causes an skb pointer to refer back to itself when the full message is reassembled, leading to infinite recursion in the sctp_skb_pull function.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
5.0 Medium
Exploitation
4% chance of attack within 30 days
Timeline
Published9 May 2006
Updated27 Oct 2026
First seen29 Sep 2026
Sources
CVE-2006-2274 · NVD
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