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  4. CVE 2026 98252 rdmacore fix refcount bug in iwpmgetnlmsgrequest
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-98252

RDMA/core: fix refcount bug in iwpm_get_nlmsg_request()CVE-2026-98252

Answer in brief

CVE-2026-98252 records a Unknown severity vulnerability in RDMA/core: fix refcount bug in iwpm_get_nlmsg_request(). 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 Oct 6, 2026Updated Oct 6, 2026Source checked Oct 6, 2026First seen by HOL Oct 6, 2026Material review Oct 6, 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>=30dc5e63d6a5ad24894b5512d10b228d73645a44 <52c13c63bb3662c108244e7447055e30bf40244e || >=30dc5e63d6a5ad24894b5512d10b228d73645a44 <8a91609032d47e77bcb37bc8f6e88d89340d2709 || >=30dc5e63d6a5ad24894b5512d10b228d73645a44 <ce8a379598bd4058081416abea4279fd05a95374 || >=30dc5e63d6a5ad24894b5512d10b228d73645a44 <2fbac8a56004b6ce54fbfe845d4b25da6e0b55e8 || >=30dc5e63d6a5ad24894b5512d10b228d73645a44 <88e429a4e9bac3d2138011c5ca06254331f2587f || >=30dc5e63d6a5ad24894b5512d10b228d73645a44 <e15eb536be4f646ce683d2867572b2200be877f7 || >=30dc5e63d6a5ad24894b5512d10b228d73645a44 <117871cdb8927542abd7b65ce5995bf0265a8c05 || >=30dc5e63d6a5ad24894b5512d10b228d73645a44 <33fb59da49c4c3f5c2ec9f9d4447a56857a02c0252c13c63bb3662c108244e7447055e30bf40244e, 8a91609032d47e77bcb37bc8f6e88d89340d2709, ce8a379598bd4058081416abea4279fd05a95374, 2fbac8a56004b6ce54fbfe845d4b25da6e0b55e8, 88e429a4e9bac3d2138011c5ca06254331f2587f, e15eb536be4f646ce683d2867572b2200be877f7, 117871cdb8927542abd7b65ce5995bf0265a8c05, 33fb59da49c4c3f5c2ec9f9d4447a56857a02c02
Linux/Linuxgeneric3.16Not 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 52c13c63bb3662c108244e7447055e30bf40244e if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 6, 2026

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

  2. Source modified

    Oct 6, 2026

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

  3. First seen by HOL

    Oct 6, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • 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: fix refcount bug in iwpm_get_nlmsg_request() iwpm_get_nlmsg_request() initializes refcount _after_ list_add_tail() making it accessible to global list where another CPU can kref_get() on nlmsg_request causing a refcount "addition on 0" bug. Fix this by initializing kref _before_ list_add_tail() so refcount for nlmsg_request can be incremented/decremented normally. In addition, also initialize every field before list_add_tail().

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • wifi: cfg80211: get the wiphy out of a dying network namespaceSame linux/linux package
  • wifi: mac80211: unlist vifs when their netdev is unregisteredSame linux/linux package
  • wifi: mac80211: only operate on TDLS peers in the TDLS codeSame linux/linux package
  • wifi: mac80211: reset the LED state when ifup failsSame linux/linux package
  • wifi: mac80211: reset state when starting AP failsSame linux/linux package
  • wifi: mac80211: abort chanswitch when leaving a meshSame linux/linux package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 6, 2026
References
8 linked sources
Open source record