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CVE Record

CVE-2022-48860: ethernet: Fix error handling in xemaclite_of_probe

In the Linux kernel, the following vulnerability has been resolved: ethernet: Fix error handling in xemaclite_of_probe This node pointer is returned by of_parse_phandle() with refcount incremented in this function. Calling of_node_put() to avoid the refcount leak. As the remove function do.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This Linux kernel issue is a resource leak in the Xilinx Ethernet Lite driver probe path. If the driver hits an error while initializing, it can fail to release a device-tree reference. The source bundle does not provide CVSS, CWE, impact severity, or exploitation evidence.

Executive priority

Treat as routine kernel hygiene unless affected embedded Linux assets rely on this driver. No evidence in the bundle supports emergency action, but unpatched operational technology or embedded fleets should be checked during normal patch cycles.

Technical view

xemaclite_of_probe calls of_parse_phandle(), which increments the referenced device-tree node refcount. The fix adds of_node_put() on error handling paths, matching remove-path behavior and preventing a refcount leak.

Likely exposure

Exposure appears limited to Linux systems with affected kernel code and the xemaclite Ethernet driver path. Embedded systems using Xilinx Ethernet Lite hardware are the most plausible concern. Distribution backports are not identified in the bundle.

Exploitation context

No active exploitation is supported by the provided sources. The CVE is not marked KEV, and the bundle contains no public exploit status, attack requirements, or practical exploitation details.

Researcher notes

The available evidence supports a refcount leak fix, not a broader memory corruption claim. Affected version data is sparse and upstream-focused, so distribution-specific exposure requires package advisory or source verification.

Mitigation direction

  • Check Linux stable or distribution guidance for this CVE.
  • Update to a kernel containing the referenced stable fixes.
  • Prioritize embedded systems using Xilinx Ethernet Lite hardware.
  • Track vendor backports rather than relying only on upstream version numbers.

Validation and detection

  • Inventory kernels and hardware using the xemaclite Ethernet driver.
  • Confirm whether vendor kernels include one of the referenced fixes.
  • Review device-tree configurations for Xilinx Ethernet Lite usage.
  • Document systems where vendor impact remains unconfirmed.
Prepared
Confidence
medium
Sources
10

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-2022-48860 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
9Source 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
LinuxLinux5cdaaa12866e916d0ada8b56c5f0e543cfc7fe3d, 5cdaaa12866e916d0ada8b56c5f0e543cfc7fe3d, 5cdaaa12866e916d0ada8b56c5f0e543cfc7fe3d, 5cdaaa12866e916d0ada8b56c5f0e543cfc7fe3d, 5cdaaa12866e916d0ada8b56c5f0e543cfc7fe3d, 5cdaaa12866e916d0ada8b56c5f0e543cfc7fe3d, 5cdaaa12866e916d0ada8b56c5f0e543cfc7fe3d, 5cdaaa12866e916d0ada8b56c5f0e543cfc7fe3dunaffected
LinuxLinux2.6.34, 0, 4.9.307, 4.14.272, 4.19.235, 5.4.185, 5.10.106, 5.15.29, 5.16.15, 5.17affected
Weakness

CWE details

No CWE listed

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