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CVE Record

CVE-2026-23006: ASoC: tlv320adcx140: fix null pointer

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".

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2026-23006 is a Linux kernel bug in the ASoC tlv320adcx140 audio driver. The issue is a null pointer problem caused by using an unset component field to reach a device object that already exists elsewhere. Business impact is unclear from public data because no CVSS, CWE, exploitability, or impact details are provided.

Executive priority

Track as a targeted Linux kernel maintenance item, not an emergency based on current evidence. Give higher priority to embedded, appliance, or audio-hardware systems using the affected driver. Do not claim active exploitation unless new vendor, CVE, or KEV data appears.

Technical view

The vulnerable code path used adcx140_priv.snd_soc_component even though that field was never initialized. The kernel fix removes that dependency and uses the existing dev reference in adcx140_priv. Public records identify affected Linux kernel versions and several stable-tree fix commits, but do not describe trigger conditions, privilege requirements, or security impact.

Likely exposure

Exposure is most plausible on Linux systems using kernels that include the affected tlv320adcx140 ASoC driver and run an affected version. This likely matters most for embedded or hardware-specific Linux deployments with that audio component. The source bundle does not prove broad server, cloud, container, or remote network exposure.

Exploitation context

The bundle marks KEV as false and provides no cited evidence of active exploitation. Public details do not describe a working exploit, remote attack path, local privilege requirement, or denial-of-service trigger. Treat exploitation status as unconfirmed rather than active.

Researcher notes

The public record is sparse: no CVSS, CWE, impact statement, or trigger details are supplied. Analysis should focus on source-level confirmation of the driver path, branch-specific fix commits, and whether the affected field is reachable in deployed kernels. Avoid extrapolating beyond the driver and versions named.

Mitigation direction

  • Check Linux vendor or distribution advisories for fixed kernel packages.
  • Prioritize updates where tlv320adcx140 support is enabled or deployed.
  • Move affected systems to a kernel containing the referenced stable fix.
  • If updates are delayed, assess whether the driver can be disabled safely.
  • Document exceptions for appliances or embedded images awaiting vendor firmware.

Validation and detection

  • Inventory running kernel versions across Linux assets.
  • Check kernel config or modules for tlv320adcx140 driver presence.
  • Map deployed kernels against vendor fixed package versions.
  • Review appliance firmware release notes for this CVE or driver fix.
  • Confirm remediation by verifying the applicable stable commit or vendor changelog.
Prepared
Confidence
medium
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2026-23006 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
3Timeline events
0ADP providers
6Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux4e82971f7b556cff3491c867e8840e7d788693b9, 4e82971f7b556cff3491c867e8840e7d788693b9, 4e82971f7b556cff3491c867e8840e7d788693b9, 4e82971f7b556cff3491c867e8840e7d788693b9, 4e82971f7b556cff3491c867e8840e7d788693b9unaffected
LinuxLinux6.1, 0, 6.1.162, 6.6.122, 6.12.67, 6.18.7, 6.19affected
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.