Linux Kernel up to 6.12.66/6.18.6/6.19-rc5 ASoC snd_soc_component 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 6.12.66/6.18.6/6.19-rc5. Impacted is the function snd_soc_component of the component ASoC. Performing a manipulation results in null pointer dereference. This vulnerability is identified as CVE-2026-23006. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.12.66/6.18.6/6.19-rc5. This affects the function snd_soc_component of the component ASoC. 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. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: ASoC: tlv320adcx140: fix null pointer The "snd_soc_component" in "adcx140_priv" was only used once but never set. It was only used for reaching "dev" which is already present in "adcx140_priv".

It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2026-23006 since 01/13/2026. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 296540 (Linux Distros Unpatched Vulnerability : CVE-2026-23006), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.12.67, 6.18.7 or 6.19-rc6 eliminates this vulnerability. Applying the patch 61757f5191daab863d25f03680e912b5449a1eed/53bd838ed5950cb18927e4b2e8ee841b7cb10929/be7664c81d3129fc313ef62ff275fd3d33cfecd4 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 (296540), EUVD (EUVD-2026-4622) and CERT Bund (WID-SEC-2026-0215). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • Open Source Linux Kernel

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

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

NVD Base Score: 5.5
NVD Vector: 🔒

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: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 296540
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-23006

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.12.67/6.18.7/6.19-rc6
Patch: 61757f5191daab863d25f03680e912b5449a1eed/53bd838ed5950cb18927e4b2e8ee841b7cb10929/be7664c81d3129fc313ef62ff275fd3d33cfecd4

Timelineinfo

01/13/2026 CVE reserved
01/25/2026 +12 days Advisory disclosed
01/25/2026 +0 days VulDB entry created
03/27/2026 +61 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-23006 (🔒)
GCVE (CVE): GCVE-0-2026-23006
GCVE (VulDB): GCVE-100-342831
EUVD: 🔒
CERT Bund: WID-SEC-2026-0215 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 01/25/2026 16:05
Updated: 03/27/2026 18:10
Changes: 01/25/2026 16:05 (59), 01/26/2026 02:07 (1), 01/26/2026 10:37 (2), 03/25/2026 23:30 (11), 03/27/2026 18:10 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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