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CVE Record

CVE-2022-48725: RDMA/siw: Fix refcounting leak in siw_create_qp()

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix refcounting leak in siw_create_qp() The atomic_inc() needs to be paired with an atomic_dec() on the error path.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE is a Linux kernel bug in the RDMA software iWARP driver. On a failed queue-pair creation path, the kernel increments a reference count but does not decrement it. The public record does not provide severity, CVSS, confirmed impact, or active exploitation evidence.

Executive priority

Treat as a targeted Linux kernel maintenance item until vendor guidance assigns higher severity. Prioritize systems using RDMA features, shared compute, or strict uptime requirements, but avoid emergency framing without exploit or impact evidence.

Technical view

The issue is in RDMA/siw siw_create_qp(). The fix pairs an atomic_inc() with atomic_dec() on the error path, addressing a refcount leak. Source data identifies Linux kernel versions and stable commits, but the provided bundle does not fully clarify downstream affected ranges or distro backports.

Likely exposure

Exposure is most likely on Linux systems with affected kernels where RDMA/siw is present and reachable through relevant local or workload paths. The bundle does not prove exposure for all Linux deployments or identify affected distributions.

Exploitation context

No active exploitation is supported by the supplied sources. The CVE is not listed as KEV in the bundle, and the references describe a kernel fix rather than exploit activity or weaponized details.

Researcher notes

The useful signal is narrow: a refcount leak in siw_create_qp() error handling. The bundle lacks CVSS, CWE, exploitability analysis, and distro mapping. Validate by code provenance, vendor backport notes, and RDMA/siw enablement rather than version strings alone.

Mitigation direction

  • Check Linux vendor advisories for affected kernel packages and backported fixes.
  • Update to a kernel containing one of the referenced stable fixes.
  • Review whether RDMA/siw is enabled or needed on exposed systems.
  • Prioritize internet-facing, multi-tenant, or high-availability Linux hosts for review.

Validation and detection

  • Inventory running kernel versions across Linux fleets.
  • Check whether RDMA/siw modules or features are available or loaded.
  • Compare installed kernels against vendor advisory fixed builds.
  • Confirm the relevant stable fix is present in kernel source or package changelog.
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-2022-48725 mapping review

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

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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
LinuxLinux514aee660df493cd673154a6ba6bab745ec47b8c, 514aee660df493cd673154a6ba6bab745ec47b8c, 514aee660df493cd673154a6ba6bab745ec47b8cunaffected
LinuxLinux5.15, 0, 5.15.22, 5.16.8, 5.17affected
Weakness

CWE details

No CWE listed

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