Linux Kernel up to 6.1.15/6.2.2 bus 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 was found in Linux Kernel up to 6.1.15/6.2.2. It has been declared as critical. This vulnerability affects unknown code of the component bus. The manipulation results in null pointer dereference. This vulnerability is identified as CVE-2023-54249. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.1.15/6.2.2. It has been classified as critical. Affected is some unknown processing of the component bus. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: ep: Only send -ENOTCONN status if client driver is available For the STOP and RESET commands, only send the channel disconnect status -ENOTCONN if client driver is available. Otherwise, it will result in null pointer dereference.

The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2023-54249 since 12/30/2025. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 281725 (Linux Distros Unpatched Vulnerability : CVE-2023-54249), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.1.16 or 6.2.3 eliminates this vulnerability. Applying the patch 353aea15d6edbd4e69e039356a1bd3e641f7d952/860ad591056d7e4dc30bc130b6ec6e6d70930c85/e6cebcc27519dcf1652e604c73b9fd4f416987c0 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 (281725) and CERT Bund (WID-SEC-2025-2941). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Debian Linux
  • Amazon Linux 2
  • IBM Power Hardware Management Console
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Open Source Linux Kernel
  • RESF Rocky Linux
  • IBM DataPower 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

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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: 281725
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-54249

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.1.16/6.2.3
Patch: 353aea15d6edbd4e69e039356a1bd3e641f7d952/860ad591056d7e4dc30bc130b6ec6e6d70930c85/e6cebcc27519dcf1652e604c73b9fd4f416987c0

Timelineinfo

12/30/2025 Advisory disclosed
12/30/2025 +0 days CVE reserved
12/30/2025 +0 days VulDB entry created
04/27/2026 +118 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-54249 (🔒)
GCVE (CVE): GCVE-0-2023-54249
GCVE (VulDB): GCVE-100-338946
CERT Bund: WID-SEC-2025-2941 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 12/30/2025 16:37
Updated: 04/27/2026 05:58
Changes: 12/30/2025 16:37 (58), 01/01/2026 13:55 (7), 01/05/2026 21:35 (2), 04/27/2026 05:58 (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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