Linux Kernel DCCP nf_conntrack_dccp_packet out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel. Affected by this vulnerability is the function nf_conntrack_dccp_packet of the component DCCP. Executing a manipulation can lead to out-of-bounds. This vulnerability is handled as CVE-2023-39197. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System) (unknown version). It has been declared as problematic. This vulnerability affects the function nf_conntrack_dccp_packet of the component DCCP. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. CVE summarizes:

An out-of-bounds read vulnerability was found in Netfilter Connection Tracking (conntrack) in the Linux kernel. This flaw allows a remote user to disclose sensitive information via the DCCP protocol.

The weakness was released 11/08/2023. The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2023-39197 since 07/25/2023. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/12/2025).

The vulnerability scanner Nessus provides a plugin with the ID 239742 (TencentOS Server 2: kernel (TSSA-2024:1030)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (239742), EUVD (EUVD-2023-42931) and CERT Bund (WID-SEC-2023-2864). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • EMC Avamar
  • IBM QRadar SIEM
  • Open Source Linux Kernel
  • IBM Security Guardium
  • Dell NetWorker
  • Dell ECS
  • IBM Spectrum Protect Plus

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 4.0
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 239742
Nessus Name: TencentOS Server 2: kernel (TSSA-2024:1030)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/25/2023 🔍
11/08/2023 +106 days 🔍
11/08/2023 +0 days 🔍
11/12/2025 +735 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2023-39197 (🔍)
GCVE (CVE): GCVE-0-2023-39197
GCVE (VulDB): GCVE-100-244816
EUVD: 🔍
CERT Bund: WID-SEC-2023-2864 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 11/08/2023 20:47
Updated: 11/12/2025 08:36
Changes: 11/08/2023 20:47 (38), 08/27/2024 21:46 (37), 06/21/2025 00:22 (2), 08/31/2025 06:14 (1), 11/12/2025 08:36 (7)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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