Linux Kernel up to 6.1.10 ucsi null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.1.10. This affects an unknown function of the component ucsi. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2023-52938. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 6.1.10. Affected by this vulnerability is an unknown functionality of the component ucsi. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Don't attempt to resume the ports before they exist This will fix null pointer dereference that was caused by the driver attempting to resume ports that were not yet registered.

It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2023-52938 since 08/21/2024. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 247799 (Linux Distros Unpatched Vulnerability : CVE-2023-52938), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.1.11 eliminates this vulnerability. Applying the patch fdd11d7136fd070b3a74d6d8799d9eac28a57fc5/f82060da749c611ed427523b6d1605d87338aac1 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (247799) and CERT Bund (WID-SEC-2025-0649). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Google Container-Optimized OS
  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • Dell Avamar
  • Open Source Linux Kernel
  • SolarWinds Security Event Manager
  • Dell NetWorker
  • Dell Secure Connect Gateway

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 247799
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-52938

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.1.11
Patch: fdd11d7136fd070b3a74d6d8799d9eac28a57fc5/f82060da749c611ed427523b6d1605d87338aac1

Timelineinfo

08/21/2024 🔍
03/27/2025 +218 days 🔍
03/27/2025 +0 days 🔍
12/07/2025 +255 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-52938 (🔍)
GCVE (CVE): GCVE-0-2023-52938
GCVE (VulDB): GCVE-100-301771
CERT Bund: WID-SEC-2025-0649 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 03/27/2025 18:54
Updated: 12/07/2025 02:17
Changes: 03/27/2025 18:54 (58), 08/11/2025 06:07 (2), 08/24/2025 08:06 (7), 12/07/2025 02:17 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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