LiveActive security incident?Get immediate response
CVE Record

CVE-2022-50124: ASoC: mt6797-mt6351: Fix refcount leak in mt6797_mt6351_dev_probe

In the Linux kernel, the following vulnerability has been resolved: ASoC: mt6797-mt6351: Fix refcount leak in mt6797_mt6351_dev_probe of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2022-50124 is a Linux kernel resource-management bug in a MediaTek audio driver. A device-tree node reference is not released after parsing, creating a refcount leak. The sources do not show active exploitation, CVSS scoring, or practical impact beyond the leak.

Executive priority

Treat as routine kernel hygiene unless your fleet includes MediaTek-based Linux devices. There is no source evidence of active exploitation, but unpatched embedded kernels can be difficult to update later.

Technical view

In the ASoC mt6797-mt6351 probe path, of_parse_phandle() returns a node pointer with an incremented refcount. The fix adds the missing of_node_put() when the node is no longer needed. The issue is recorded against Linux kernel versions and fixed by upstream stable commits.

Likely exposure

Exposure appears limited to Linux kernels containing the affected mt6797-mt6351 ASoC driver path, especially MediaTek platform builds. Generic servers are less likely to use this driver, but kernel package lineage should be verified.

Exploitation context

The bundle marks KEV as false and provides no cited evidence of active exploitation or public weaponization. The described condition is a refcount leak during driver probe, not a documented remote attack path.

Researcher notes

Evidence is narrow: the CVE text describes only a missing of_node_put() after of_parse_phandle(). No CVSS vector, CWE, exploitability analysis, or downstream vendor matrix is included in the bundle.

Mitigation direction

  • Update affected Linux kernels to vendor builds containing the referenced stable fixes.
  • Check distribution or device vendor advisories for backported kernel patches.
  • Prioritize embedded or MediaTek-based systems that include this ASoC driver.
  • Track unsupported kernels for retirement or vendor-supported replacement.

Validation and detection

  • Inventory deployed kernel versions and vendor patch levels.
  • Confirm whether the mt6797-mt6351 ASoC driver is present or built.
  • Verify package changelogs or source trees include one referenced fix commit.
  • Document systems where vendor status remains unknown.
Prepared
Confidence
medium
Sources
9

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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2022-50124 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
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
8Source 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
LinuxLinuxf0ab0bf250da5a115d5675a686117f21984f0760, f0ab0bf250da5a115d5675a686117f21984f0760, f0ab0bf250da5a115d5675a686117f21984f0760, f0ab0bf250da5a115d5675a686117f21984f0760, f0ab0bf250da5a115d5675a686117f21984f0760, f0ab0bf250da5a115d5675a686117f21984f0760, f0ab0bf250da5a115d5675a686117f21984f0760unaffected
LinuxLinux4.18, 0, 4.19.256, 5.4.211, 5.10.137, 5.15.61, 5.18.18, 5.19.2, 6.0affected
Weakness

CWE details

No CWE listed

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