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CVE Record

CVE-2025-71068: svcrdma: bound check rq_pages index in inline path

In the Linux kernel, the following vulnerability has been resolved: svcrdma: bound check rq_pages index in inline path svc_rdma_copy_inline_range indexed rqstp->rq_pages[rc_curpage] without verifying rc_curpage stays within the allocated page array. Add guards before the first use and after advancing to a new page.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2025-71068 is a Linux kernel bounds-checking flaw in the svcrdma inline data path. The code could read or write outside the allocated request page array. Public sources do not provide CVSS, confirmed impact, or active exploitation evidence, so urgency depends on whether affected Linux kernels and svcrdma functionality are present.

Executive priority

Treat this as a kernel maintenance priority, not an emergency based on current evidence. Patch affected Linux systems through normal security update channels, with higher priority for systems using svcrdma paths or exposed kernel RDMA services.

Technical view

The flaw is in svc_rdma_copy_inline_range, which indexed rqstp->rq_pages[rc_curpage] before confirming rc_curpage remained within the allocated page array. The fix adds guards before first use and after page advancement. The source bundle lists affected Linux kernel versions and stable kernel commits, but no CWE, CVSS, or exploit details.

Likely exposure

Exposure is most likely on Linux systems running affected kernel versions where the svcrdma code path can be reached. The provided record does not identify specific distributions, configurations, or network prerequisites, so teams should map this against their kernel inventory and vendor advisories.

Exploitation context

The CVE is not listed as KEV in the provided bundle, and no cited source confirms active exploitation. The public description indicates a kernel memory bounds issue, but does not describe exploitability, attacker position, required privileges, or demonstrated impact.

Researcher notes

The record is sparse: no CVSS, CWE, distribution matrix, or exploitability analysis is provided. Analysis should stay close to the upstream fix: missing bounds checks around rq_pages indexing in the inline path. Validate reachability and backports per downstream kernel source.

Mitigation direction

  • Check Linux vendor advisories for fixed kernel packages.
  • Update to a kernel containing the referenced stable fixes.
  • Prioritize systems that use svcrdma-related functionality.
  • If patching is delayed, follow vendor guidance for exposure reduction.
  • Track distribution-specific backports, not only upstream version numbers.

Validation and detection

  • Inventory Linux kernel versions across servers and appliances.
  • Identify systems using or loading svcrdma-related kernel code.
  • Confirm installed kernels include the relevant stable commit or vendor backport.
  • Review vendor CVE notes for distribution-specific affected ranges.
  • Document systems where exposure cannot be confirmed.
Prepared
Confidence
medium
Sources
7

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-2025-71068 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
1ADP providers
6Source links

SSVC decision data

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

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

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinuxd7cc73972661be4a02a1b09f1d9b3283c6c05154, d7cc73972661be4a02a1b09f1d9b3283c6c05154, d7cc73972661be4a02a1b09f1d9b3283c6c05154, d7cc73972661be4a02a1b09f1d9b3283c6c05154, d7cc73972661be4a02a1b09f1d9b3283c6c05154unaffected
LinuxLinux5.11, 0, 5.15.198, 6.6.120, 6.12.64, 6.18.3, 6.19affected
Weakness

CWE details

No CWE listed

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