Linux Kernel up to 6.2.10 ASoC sof_ipc4_route_setup 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 classified as critical has been found in Linux Kernel up to 6.2.10. Impacted is the function sof_ipc4_route_setup of the component ASoC. The manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2023-54233. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.2.10 and classified as critical. This issue affects the function sof_ipc4_route_setup of the component ASoC. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: avoid a NULL dereference with unsupported widgets If an IPC4 topology contains an unsupported widget, its .module_info field won't be set, then sof_ipc4_route_setup() will cause a kernel Oops trying to dereference it. Add a check for such cases.

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2023-54233 since 12/30/2025. Technical details are known, but no exploit is available.

Upgrading to version 6.2.11 eliminates this vulnerability. Applying the patch 170818974e9732506195c6302743856cc8bdfd6f/e3720f92e0237921da537e47a0b24e27899203f8 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 vulnerability database at CERT Bund (WID-SEC-2025-2941). If you want to get the best quality for vulnerability data then you always have to consider 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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.2.11
Patch: 170818974e9732506195c6302743856cc8bdfd6f/e3720f92e0237921da537e47a0b24e27899203f8

Timelineinfo

12/30/2025 Advisory disclosed
12/30/2025 +0 days CVE reserved
12/30/2025 +0 days VulDB entry created
04/27/2026 +117 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-54233 (🔒)
GCVE (CVE): GCVE-0-2023-54233
GCVE (VulDB): GCVE-100-338981
CERT Bund: WID-SEC-2025-2941 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 12/30/2025 16:51
Updated: 04/27/2026 00:10
Changes: 12/30/2025 16:51 (59), 01/01/2026 11:47 (7), 04/27/2026 00:10 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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