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CVE-2006-2934· NVD / CVE Program· CNA redhat

SCTP conntrack (ip_conntrack_proto_sctp.c) in netfilter for Linux kernel 2.6.17 before 2.6.17.3 and 2.6.16 before 2.6.16.23 allows remote at

Noroxi assessment

Priority: Monitor (action score 22/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 5.1% (FIRST EPSS); higher than 92.3% of all records.
  • No special conditions are required; it is repeatable.
  • Fixed version: kernel (Red Hat:enterprise_linux:4::as) 0:2.6.9-42.EL; kernel-debuginfo (Red Hat:enterprise_linux:4::as) 0:2.6.9-42.EL; kernel-devel (Red Hat:enterprise_linux:4::as) 0:2.6.9-42.EL.

Low priority for now. Upgrade to kernel (Red Hat:enterprise_linux:4::as) 0:2.6.9-42.EL; kernel-debuginfo (Red Hat:enterprise_linux:4::as) 0:2.6.9-42.EL; kernel-devel (Red Hat:enterprise_linux:4::as) 0:2.6.9-42.EL or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

SCTP conntrack (ip_conntrack_proto_sctp.c) in netfilter for Linux kernel 2.6.17 before 2.6.17.3 and 2.6.16 before 2.6.16.23 allows remote attackers to cause a denial of service (crash) via a packet without any chunks, which causes a variable to contain an invalid value that is later used to dereference a pointer.

MediumCVSS 5.0 · v2.0—No exploit Fix available
Published
Jun 30, 2006
Updated
Sep 23, 2026
EPSS
5.1% · 92th percentile

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
20 / 40 · 5.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 5.1%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • linux linux kernel2.6.16
  • linux linux kernel2.6.16.1
  • linux linux kernel2.6.16.10
  • linux linux kernel2.6.16.11
  • linux linux kernel2.6.16.12
  • linux linux kernel2.6.16.13
  • linux linux kernel2.6.16.14
  • linux linux kernel2.6.16.15
  • linux linux kernel2.6.16.16
  • linux linux kernel2.6.16.17
  • linux linux kernel2.6.16.18
  • linux linux kernel2.6.16.19
  • linux linux kernel2.6.16.2
  • linux linux kernel2.6.16.20
  • linux linux kernel2.6.16.21
  • linux linux kernel2.6.16.22
  • linux linux kernel2.6.17
  • linux linux kernel2.6.17.1
  • linux linux kernel2.6.17.2

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Red Hat:enterprise_linux:4::askernelbefore 0:2.6.9-42.EL0:2.6.9-42.EL
Red Hat:enterprise_linux:4::askernel-debuginfobefore 0:2.6.9-42.EL0:2.6.9-42.EL
Red Hat:enterprise_linux:4::askernel-develbefore 0:2.6.9-42.EL0:2.6.9-42.EL
Red Hat:enterprise_linux:4::askernel-docbefore 0:2.6.9-42.EL0:2.6.9-42.EL
Red Hat:enterprise_linux:4::askernel-hugemembefore 0:2.6.9-42.EL0:2.6.9-42.EL
Red Hat:enterprise_linux:4::askernel-hugemem-develbefore 0:2.6.9-42.EL0:2.6.9-42.EL
Red Hat:enterprise_linux:4::askernel-largesmpbefore 0:2.6.9-42.EL0:2.6.9-42.EL
Red Hat:enterprise_linux:4::askernel-largesmp-develbefore 0:2.6.9-42.EL0:2.6.9-42.EL
Red Hat:enterprise_linux:4::askernel-smpbefore 0:2.6.9-42.EL0:2.6.9-42.EL
Red Hat:enterprise_linux:4::askernel-smp-develbefore 0:2.6.9-42.EL0:2.6.9-42.EL

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now
  • CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV
    83Now

Published before and after this one in the same product

  • ← EarlierCVE-2006-3085Jun 23, 2006 · xt_sctp in netfilter for Linux kernel before 2.6.17.1 allows attackers to cause a denial of service (infinite loop) via an SCTP chunk with a
    32Monitor
  • ← EarlierCVE-2006-0456Jun 27, 2006 · The strnlen_user function in Linux kernel before 2.6.16 on IBM S/390 can return an incorrect value, which allows local users to cause a deni
    8Monitor
  • Later →CVE-2006-2935Jul 5, 2006 · The dvd_read_bca function in the DVD handling code in drivers/cdrom/cdrom.c in Linux kernel 2.2.16, and later versions, assigns the wrong va
    18Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
red hat:kernel0:2.6.9-42.EL · Red Hat:enterprise_linux:4::asPackage registry (OSV)
red hat:kernel-debuginfo0:2.6.9-42.EL · Red Hat:enterprise_linux:4::asPackage registry (OSV)
red hat:kernel-devel0:2.6.9-42.EL · Red Hat:enterprise_linux:4::asPackage registry (OSV)
red hat:kernel-doc0:2.6.9-42.EL · Red Hat:enterprise_linux:4::asPackage registry (OSV)
red hat:kernel-hugemem0:2.6.9-42.EL · Red Hat:enterprise_linux:4::asPackage registry (OSV)
red hat:kernel-hugemem-devel0:2.6.9-42.EL · Red Hat:enterprise_linux:4::asPackage registry (OSV)
red hat:kernel-largesmp0:2.6.9-42.EL · Red Hat:enterprise_linux:4::asPackage registry (OSV)
red hat:kernel-largesmp-devel0:2.6.9-42.EL · Red Hat:enterprise_linux:4::asPackage registry (OSV)
red hat:kernel-smp0:2.6.9-42.EL · Red Hat:enterprise_linux:4::asPackage registry (OSV)
red hat:kernel-smp-devel0:2.6.9-42.EL · Red Hat:enterprise_linux:4::asPackage registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
P · the service can be disrupted
Attack complexity
Low
Confidentiality impact
None
Integrity impact
None
Availability impact
P

Weakness class (CWE)

CWE-399 · Resource Management Errors

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (19 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records