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  4. CVE 2025 71157 rdmacore always drop device refcount in
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2025-71157

RDMA/core: always drop device refcount in ib_del_sub_device_and_put()CVE-2025-71157

Answer in brief

CVE-2025-71157 records a Unknown severity vulnerability in RDMA/core: always drop device refcount in ib_del_sub_device_and_put(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jan 23, 2026Updated Nov 5, 2026Source checked Nov 5, 2026First seen by HOL Nov 5, 2026Material review Nov 5, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=bca51197620a257e2954be99b16f05115c3b2630 <20436f2742a92b7afeb2504eb559a98d2196b001 || >=bca51197620a257e2954be99b16f05115c3b2630 <fe8d456080423b9ed410469fbd1e2098d3acce2b || >=bca51197620a257e2954be99b16f05115c3b2630 <fa3c411d21ebc26ffd175c7256c37cefa35020aa20436f2742a92b7afeb2504eb559a98d2196b001, fe8d456080423b9ed410469fbd1e2098d3acce2b, fa3c411d21ebc26ffd175c7256c37cefa35020aa
Linux/Linuxgeneric6.11Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 20436f2742a92b7afeb2504eb559a98d2196b001 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jan 23, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: always drop device refcount in ib_del_sub_device_and_put() Since nldev_deldev() (introduced by commit 060c642b2ab8 ("RDMA/nldev: Add support to add/delete a sub IB device through netlink") grabs a reference using ib_device_get_by_index() before calling ib_del_sub_device_and_put(), we need to drop that reference before returning -EOPNOTSUPP error.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 5, 2026
References
3 linked sources
Open source record