Linux Kernel Cache net/tipc/topsrv.c tipc_conn_close denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Linux Kernel. This affects the function tipc_conn_close of the file net/tipc/topsrv.c of the component Cache Handler. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2023-1382. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel (Operating System) (version unknown). This vulnerability affects the function tipc_conn_close of the file net/tipc/topsrv.c of the component Cache Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

A data race flaw was found in the Linux kernel, between where con is allocated and con->sock is set. This issue leads to a NULL pointer dereference when accessing con->sock->sk in net/tipc/topsrv.c in the tipc protocol in the Linux kernel.

The weakness was released 03/27/2023. The advisory is shared for download at ubuntu.com. This vulnerability was named CVE-2023-1382 since 03/14/2023. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 214457 (SUSE SLES15 Security Update : kernel (SUSE-SU-2025:0201-1)), 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 (214457) and CERT Bund (WID-SEC-2024-1086). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • SUSE Linux
  • IBM QRadar SIEM

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.0

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 214457
Nessus Name: SUSE SLES15 Security Update : kernel (SUSE-SU-2025:0201-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

03/14/2023 🔍
03/27/2023 +12 days 🔍
03/27/2023 +0 days 🔍
10/17/2025 +935 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: ubuntu.com
Status: Confirmed

CVE: CVE-2023-1382 (🔍)
GCVE (CVE): GCVE-0-2023-1382
GCVE (VulDB): GCVE-100-224056
CERT Bund: WID-SEC-2024-1086 - IBM QRadar SIEM: Mehrere Schwachstellen

Entryinfo

Created: 03/27/2023 08:47
Updated: 10/17/2025 09:35
Changes: 03/27/2023 08:47 (41), 01/22/2025 12:11 (17), 03/19/2025 18:43 (12), 10/17/2025 09:35 (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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