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CVE Record

CVE-2022-50194: soc: qcom: aoss: Fix refcount leak in qmp_cooling_devices_register

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: aoss: Fix refcount leak in qmp_cooling_devices_register Every iteration of for_each_available_child_of_node() decrements the reference count of the previous node. When breaking early from a for_each_available_child_of_node() loop, we need to explicitly call of_node_put() on the child node. Add missing of_node_put() to avoid refcount leak.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2022-50194 is a Linux kernel defect in Qualcomm AOSS cooling device registration. The described issue is a missing reference release that can leak kernel object references. Sources do not provide a CVSS score, real-world impact, or active exploitation evidence.

Executive priority

Handle through normal kernel patch management unless affected Qualcomm-based production devices are business-critical. Current evidence does not support emergency response, but kernel fixes should not be ignored where the driver path is present.

Technical view

The bug is in qmp_cooling_devices_register. When a for_each_available_child_of_node loop exits early, the child node reference must be released with of_node_put. The listed stable commits add that missing release to prevent a refcount leak.

Likely exposure

Exposure appears limited to Linux systems using the Qualcomm AOSS QMP cooling-device path, commonly Qualcomm SoC-based devices or kernels with that driver enabled. The source bundle does not identify internet-facing exposure or affected distributions.

Exploitation context

The source bundle marks KEV as false and provides no cited evidence of active exploitation. It also does not describe an exploit primitive, privilege requirement, or attacker path, so exploitability should be treated as unproven from the available evidence.

Researcher notes

The available record is narrow: it documents a refcount leak fix, stable backports, no CWE, no CVSS, and no KEV listing. Avoid assuming broader Linux exposure beyond kernels that can exercise this Qualcomm AOSS path.

Mitigation direction

  • Identify kernels that include the Qualcomm AOSS QMP driver path.
  • Apply vendor or distribution kernel updates containing the referenced stable fixes.
  • For custom kernels, review and backport the listed upstream stable commits as appropriate.
  • Track vendor advisories for platform-specific impact or additional mitigation guidance.

Validation and detection

  • Inventory kernel versions and configurations across Qualcomm SoC-based assets.
  • Check whether the qcom AOSS QMP cooling-device code is compiled or loaded.
  • Confirm deployed kernels include one of the referenced stable fix commits.
  • Monitor vendor advisories for any later severity, CVSS, or exploitability updates.
Prepared
Confidence
medium
Sources
8

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.

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CVE-2022-50194 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
7Source 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
LinuxLinux05589b30b21ac0273970b61edd50c07d2ba156af, 05589b30b21ac0273970b61edd50c07d2ba156af, 05589b30b21ac0273970b61edd50c07d2ba156af, 05589b30b21ac0273970b61edd50c07d2ba156af, 05589b30b21ac0273970b61edd50c07d2ba156af, 05589b30b21ac0273970b61edd50c07d2ba156afunaffected
LinuxLinux5.4, 0, 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.