Linux Kernel Xircom 16-bit PCMCIA Ethernet Driver xirc2ps_cs.c xirc2ps_detach use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel. This impacts the function xirc2ps_detach of the file drivers/net/ethernet/xircom/xirc2ps_cs.c of the component Xircom 16-bit PCMCIA Ethernet Driver. The manipulation results in use after free. This vulnerability is known as CVE-2023-1670. Attacking locally is a requirement. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel (Operating System) (the affected version unknown). Affected is the function xirc2ps_detach of the file drivers/net/ethernet/xircom/xirc2ps_cs.c of the component Xircom 16-bit PCMCIA Ethernet Driver. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A flaw use after free in the Linux kernel Xircom 16-bit PCMCIA (PC-card) Ethernet driver was found.A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

The weakness was published 03/31/2023. The advisory is shared for download at lore.kernel.org. This vulnerability is traded as CVE-2023-1670 since 03/28/2023. There are known technical details, but no exploit is available.

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 lore.kernel.org.

The vulnerability is also documented in the databases at Tenable (239742) and EUVD (EUVD-2023-23898). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: 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: lore.kernel.org

Timelineinfo

03/28/2023 🔍
03/31/2023 +3 days 🔍
03/31/2023 +0 days 🔍
08/12/2025 +865 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: lore.kernel.org
Status: Confirmed

CVE: CVE-2023-1670 (🔍)
GCVE (CVE): GCVE-0-2023-1670
GCVE (VulDB): GCVE-100-224640
EUVD: 🔍

Entryinfo

Created: 03/31/2023 09:00
Updated: 08/12/2025 03:17
Changes: 03/31/2023 09:00 (41), 04/20/2023 17:47 (11), 06/21/2025 00:22 (17), 08/12/2025 03:17 (1)
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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