Linux Kernel SCSI Sub-Component drivers/scsi/iscsi_tcp.c iscsi_sw_tcp_session_create use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.5$5k-$25k0.00

Summaryinfo

A vulnerability classified as problematic was found in Linux Kernel. This vulnerability affects the function iscsi_sw_tcp_session_create of the file drivers/scsi/iscsi_tcp.c of the component SCSI Sub-Component. Such manipulation leads to use after free. This vulnerability is documented as CVE-2023-2162. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel (Operating System) (version unknown). Affected by this issue is the function iscsi_sw_tcp_session_create of the file drivers/scsi/iscsi_tcp.c of the component SCSI Sub-Component. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality. CVE summarizes:

A use-after-free vulnerability was found in iscsi_sw_tcp_session_create in drivers/scsi/iscsi_tcp.c in SCSI sub-component in the Linux Kernel. In this flaw an attacker could leak kernel internal information.

The weakness was released 04/20/2023. The advisory is shared for download at spinics.net. This vulnerability is handled as CVE-2023-2162 since 04/18/2023. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/20/2025).

The vulnerability scanner Nessus provides a plugin with the ID 239841 (TencentOS Server 4: kernel (TSSA-2024:0960)), 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 vulnerability database at Tenable (239841). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
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: 239841
Nessus Name: TencentOS Server 4: kernel (TSSA-2024:0960)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/18/2023 🔍
04/20/2023 +2 days 🔍
04/20/2023 +0 days 🔍
06/20/2025 +791 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: DLA 3404-1
Status: Not defined

CVE: CVE-2023-2162 (🔍)
GCVE (CVE): GCVE-0-2023-2162
GCVE (VulDB): GCVE-100-226856

Entryinfo

Created: 04/20/2023 07:28
Updated: 06/20/2025 01:31
Changes: 04/20/2023 07:28 (39), 05/14/2023 09:32 (1), 03/19/2025 18:43 (26), 06/20/2025 01:31 (2)
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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