Linux Kernel Netfilter nf_conntrack_netlink.c ctnetlink_create_conntrack memory leak

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel. This affects the function ctnetlink_create_conntrack of the file net/netfilter/nf_conntrack_netlink.c of the component Netfilter. Executing a manipulation can lead to memory leak. The identification of this vulnerability is CVE-2023-7192. The attack can only be executed locally. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Linux Kernel (Operating System) (unknown version) and classified as problematic. This vulnerability affects the function ctnetlink_create_conntrack of the file net/netfilter/nf_conntrack_netlink.c of the component Netfilter. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability.

The weakness was shared 12/30/2023. The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2023-7192 since 12/30/2023. Technical details are known, but there is no available exploit.

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.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the databases at Tenable (239742) and EUVD (EUVD-2023-59373). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.4
NVD Vector: 🔍

CNA Base Score: 6.1
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

12/30/2023 🔍
12/30/2023 +0 days 🔍
12/30/2023 +0 days 🔍
08/03/2025 +582 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2023-7192 (🔍)
GCVE (CVE): GCVE-0-2023-7192
GCVE (VulDB): GCVE-100-249394
EUVD: 🔍

Entryinfo

Created: 12/30/2023 21:33
Updated: 08/03/2025 19:54
Changes: 12/30/2023 21:33 (41), 01/22/2024 08:41 (1), 01/22/2024 08:46 (21), 06/20/2025 23:34 (17), 08/03/2025 19:54 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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