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CVE Record

CVE-2022-48661: gpio: mockup: Fix potential resource leakage when register a chip

In the Linux kernel, the following vulnerability has been resolved: gpio: mockup: Fix potential resource leakage when register a chip If creation of software node fails, the locally allocated string array is left unfreed. Free it on error path.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

This Linux kernel issue is a resource leak in the GPIO mockup driver. If software node creation fails while registering a mock GPIO chip, allocated memory may not be freed. The source material does not show remote exposure, data compromise, privilege escalation, or active exploitation.

Executive priority

Treat this as routine kernel hygiene unless your environment relies on GPIO mockup testing or affected kernels remain broadly deployed. No source evidence supports emergency response.

Technical view

CVE-2022-48661 fixes an error-path leak in gpio-mockup chip registration. The local string array allocation was not freed when software node creation failed. The CVE lists Linux 5.15 through fixed stable points including 5.15.71, 5.19.12, and 6.0 as affected context, with kernel stable commits referenced.

Likely exposure

Exposure appears limited to Linux systems using kernels in the affected range where the GPIO mockup driver is present and exercised. The provided sources do not identify internet-facing impact or default enterprise exposure.

Exploitation context

CISA KEV status is false, and the supplied sources do not claim active exploitation. The described flaw is a resource leak on a failure path, not a published remote attack path.

Researcher notes

Evidence is sparse: no CVSS, CWE, exploit details, or operational trigger conditions are supplied. Validate affected-version mapping against your distribution because upstream stable commit references may not match package version strings directly.

Mitigation direction

  • Check vendor kernel advisories for CVE-2022-48661 applicability.
  • Update to a vendor-supported kernel containing the referenced stable fixes.
  • Disable or avoid loading gpio-mockup where it is unnecessary.
  • Prioritize remediation through normal kernel maintenance unless local risk factors exist.

Validation and detection

  • Inventory running Linux kernel versions across managed systems.
  • Confirm whether gpio-mockup is built or loadable on affected hosts.
  • Verify vendor changelogs include the CVE or referenced commit fixes.
  • After updating, confirm the running kernel changed after reboot.
Prepared
Confidence
medium
Sources
5

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-2022-48661 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
2ADP providers
4Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

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.

ADP provider summaries

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux6fda593f3082ef1aa783ac13e89f673fd69a2cb6, 6fda593f3082ef1aa783ac13e89f673fd69a2cb6, 6fda593f3082ef1aa783ac13e89f673fd69a2cb6unaffected
LinuxLinux5.15, 0, 5.15.71, 5.19.12, 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.